GB/T — National Recommended
Found: 34399 — page 61 of 717
Valid
GB/T 31.2-2025 — Fasteners - Hexagon head bolts with split pin hole on shank - Part 2: Reduced shank - Product grade B
National·Recommended
Instant delivery (0–9 sec)
$185.0015 pages
Valid
GB/T 31.3-2025 — Fasteners — Hexagon head bolts with split pin hole on shank — Part 3: Fine pitch thread
National·Recommended
Instant delivery (0–9 sec)
$245.0015 pages
Valid
GB/T 31033-2025 — Technical requirements for well control technology of oil and gas drilling
National·Recommended
Instant delivery (0–9 sec)
$575.0032 pages
Valid
GB/T 31036-2025 — Proton exchange membrane fuel cell backup power systems - Safety
National·Recommended
Instant delivery (0–9 sec)
$500.0028 pages
Valid
GB/T 31040-2025 — Test methods of residual formaldehyde from the concrete admixtures
National·Recommended
Instant delivery (0–9 sec)
$200.0017 pages
Valid
GB/T 31045-2025 — Brand valuation - Agricultural products
National·Recommended
Instant delivery (0–9 sec)
$170.0011 pages
Valid
GB/T 31080-2025 — Specification for cold chain logistics service of aquatic products
National·Recommended
Instant delivery (0–9 sec)
$140.0015 pages
Valid
GB/T 31082-2025 — Specification for exhibition data auditing
National·Recommended
Instant delivery (0–9 sec)
$365.0020 pages
Valid
GB/T 31086-2025 — Requirements and evaluation indicators for cold chain service capabilities of logistics enterprises
National·Recommended
Instant delivery (0–9 sec)
$245.0015 pages
Valid
GB/T 31116-2025 — General quality requirements for canned porridge
National·Recommended
Instant delivery (0–9 sec)
$200.0017 pages
Valid
GB/T 31126.1-2025 — Textiles - Determination of perfluorinated and polyfluorinated compounds - Part 1: Liquid chromatography-tandem mass spectrometry method
National·Recommended
Instant delivery (0–9 sec)
$260.0024 pages
Valid
GB/T 31128-2025 — Testing and evaluation of the resistance to pile loop extraction for towel products
National·Recommended
Instant delivery (0–9 sec)
$190.0017 pages
Valid
GB/T 31150-2025 — Automotive parts logistics - Size series and technical requirements for plastic returnable containers
National·Recommended
Instant delivery (0–9 sec)
$215.0013 pages
Valid
GB/T 31232.2-2025 — E-commerce statistical indicator system — Part 2: Online marketing
National·Recommended
Instant delivery (0–9 sec)
$305.0017 pages
Valid
GB/T 31246-2025 — Water treatment chemicals - Cationic polyacrylamides
National·Recommended
Instant delivery (0–9 sec)
$290.0026 pages
Valid
GB/T 31270.1-2025 — Test guidelines on environmental safety assessment for chemical pesticides - Part 1: Soil metabolism test
National·Recommended
Instant delivery (0–9 sec)
$350.0018 pages
Valid
GB/T 31270.10-2025 — Test guidelines on environmental safety assessment for chemical pesticides — Part 10: Honeybee acute toxicity test
National·Recommended
Instant delivery (0–9 sec)
$365.0020 pages
Valid
GB/T 31270.11-2025 — Test guidelines on environmental safety assessment for chemical pesticides — Part 11: Silkworm acute toxicity test
National·Recommended
Instant delivery (0–9 sec)
$260.0015 pages
Valid
GB/T 31270.12-2025 — Test guidelines on environmental safety assessment for chemical pesticides — Part 12: Fish acute toxicity test
National·Recommended
Instant delivery (0–9 sec)
$365.0020 pages
Valid
GB/T 31270.13-2025 — Test guidelines on environmental safety assessment for chemical pesticides — Part 13: Daphnia sp. acute immobilisation test
National·Recommended
Instant delivery (0–9 sec)
$305.0017 pages
Valid
GB/T 31270.14-2025 — Test guidelines on environmental safety assessment for chemical pesticides - Part 14: Alga growth inhibition test
National·Recommended
Instant delivery (0–9 sec)
$365.0016 pages
Valid
GB/T 31270.15-2025 — Test guidelines on environmental safety assessment for chemical pesticides - Part 15: Earthworm acute toxicity test
National·Recommended
Instant delivery (0–9 sec)
$260.0010 pages
Valid
GB/T 31270.16-2025 — Test guidelines on environmental safety assessment for chemical pesticides - Part 16: Soil microorganism toxicity test
National·Recommended
Instant delivery (0–9 sec)
$260.0011 pages
Valid
GB/T 31270.17-2025 — Test guidelines on environmental safety assessment for chemical pesticides - Part 17: Trichogramma acute toxicity test
National·Recommended
Instant delivery (0–9 sec)
$260.0019 pages
Valid
GB/T 31270.2-2025 — Test guidelines on environmental safety assessment for chemical pesticides — Part 2: Hydrolysis test
National·Recommended
Instant delivery (0–9 sec)
$305.0017 pages
Valid
GB/T 31270.22-2025 — Test guidelines on environmental safety assessment for chemical pesticides — Part 22: Photolysis test on soil surface
National·Recommended
Instant delivery (0–9 sec)
$260.0015 pages
Valid
GB/T 31270.23-2025 — Test guidelines on environmental safety assessment for chemical pesticides - Part 23: Avian acute oral toxicity test
National·Recommended
Instant delivery (0–9 sec)
$440.0020 pages
Valid
GB/T 31270.4-2025 — Test guidelines on environmental safety assessment for chemical pesticides - Part 4: Adsorption/desorption in soils
National·Recommended
Instant delivery (0–9 sec)
$425.0021 pages
Valid
GB/T 31270.5-2025 — Test guidelines on environmental safety assessment for chemical pesticides - Part 5: Leaching test in soil
National·Recommended
Instant delivery (0–9 sec)
$305.0014 pages
Valid
GB/T 31270.7-2025 — Test guidelines on environmental safety assessment for chemical pesticides - Part 7: Bioconcentration test
National·Recommended
Instant delivery (0–9 sec)
$455.0025 pages
Valid
GB/T 31270.8-2025 — Test guidelines on environmental safety assessment for chemical pesticides — Part 8: Aquatic sediment system metabolism test
National·Recommended
Instant delivery (0–9 sec)
$305.0017 pages
Valid
GB/T 31270.9-2025 — Test guidelines on environmental safety assessment for chemical pesticides — Part 9: Avian short-term dietary toxicity test
National·Recommended
Instant delivery (0–9 sec)
$260.0015 pages
Valid
GB/T 31281-2025 — Brand valuation—Petroleum and chemical Industry
National·Recommended
Instant delivery (0–9 sec)
$155.0015 pages
Valid
GB/T 31289-2025 — Portland cement used for ocean project
National·Recommended
Instant delivery (0–9 sec)
$190.0015 pages
Valid
GB/T 31293-2025 — Vacuum resin infusion molding epoxy for wind blade
National·Recommended
Instant delivery (0–9 sec)
$260.0015 pages
Valid
GB/T 31318-2025 — Preserved fruits — General quality for hawthorn products
National·Recommended
Instant delivery (0–9 sec)
$185.0015 pages
Valid
GB/T 31329-2025 — Technical specification for water saving in circulating cooling water systems
National·Recommended
Instant delivery (0–9 sec)
$185.0024 pages
Valid
GB/T 31334.7-2025 — Test methods for dipped canvas — Part 7: Adhension properties after dynamic fatigue
National·Recommended
Instant delivery (0–9 sec)
$190.0015 pages
Valid
GB/T 31347-2025 — Technical requirements of measurement and verification of energy savings - Communication room project
National·Recommended
Instant delivery (0–9 sec)
$290.0017 pages
Valid
GB/T 31360-2025 — Core metadata of fixed asset
National·Recommended
Instant delivery (0–9 sec)
$230.0015 pages
Valid
GB/T 31379.1-2025 — Test methods for polarizers of flat panel displays — Part 1: Physical and chemical properties
National·Recommended
Instant delivery (0–9 sec)
$260.0015 pages
Valid
GB/T 31379.2-2025 — Test methods for polarizers of flat panel displays - Part 2: Optical properties
National·Recommended
Instant delivery (0–9 sec)
$180.0017 pages
Valid
GB/T 31379.3-2025 — Test methods for polarizers of flat panel displays - Part 3: Reliability
National·Recommended
Instant delivery (0–9 sec)
$180.0017 pages
Valid
GB/T 31405-2025 — Test method for the cathodic disbonding of pipeline protection coatings subjected to elevated temperatures
National·Recommended
Instant delivery (0–9 sec)
$550.0014 pages
Valid
GB/T 31418-2025 — Terminology for road traffic signal control systems
National·Recommended
Instant delivery (0–9 sec)
$605.0027 pages
Valid
GB/T 31439.1-2025 — Corrugated sheet steel beams for road guardrail — Part 1: W-beam guardrail
National·Recommended
Instant delivery (0–9 sec)
$395.0022 pages
Valid
GB/T 31439.2-2025 — Corrugated sheet steel beams for road guardrail — Part 2: Thrie-beam guardrail
National·Recommended
Instant delivery (0–9 sec)
$470.0026 pages
Valid
GB/T 31440-2025 — Card receiver and distributor for closed toll
National·Recommended
Instant delivery (0–9 sec)
$305.0017 pages