GB/T — National Recommended
Found: 34399 — page 58 of 717
Valid
GB/T 27880-2025 — Thermoprobe and pipe supports with thermoprobe
National·Recommended
Instant delivery (0–9 sec)
$440.0020 pages
Valid
GB/T 27894.7-2025 — Natural gas — Determination of composition and associated uncertainty by gas chromatography — Part 7: Rapid determination of helium content using two packed columns
National·Recommended
Instant delivery (0–9 sec)
$275.0015 pages
Valid
GB/T 28009-2025 — Code of safety practice for cold store
National·Recommended
Instant delivery (0–9 sec)
$290.0016 pages
Valid
GB/T 28029.13-2025 — Electronic railway equipment - Train communication network (TCN) - Part 4-1: Test methods for train communication networks based on the Wire Train Bus (WTB)
National·Recommended
Instant delivery (0–9 sec)
$230.0016 pages
Valid
GB/T 28056-2025 — Specification for heat recovery boilers
National·Recommended
Instant delivery (0–9 sec)
$500.0010 pages
Valid
GB/T 28062-2025 — Code of practice for detection of Candidatus Liberibacter asiaticus by quantitative real-time PCR
National·Recommended
Instant delivery (0–9 sec)
$260.0015 pages
Valid
GB/T 28090-2025 — Detection and identification of Euphrosyne xanthiifolia (Nutt.) A. Gray
National·Recommended
Instant delivery (0–9 sec)
$425.0024 pages
Valid
GB/T 28108-2025 — Detection and identification of Rhaponticum repens (L.) Hidalgo
National·Recommended
Instant delivery (0–9 sec)
$500.0028 pages
Valid
GB/T 28123-2025 — Industrial helium
National·Recommended
Instant delivery (0–9 sec)
$185.0015 pages
Valid
GB/T 28124-2025 — Gas analysis — Determination of the trace contents of hydrogen, oxygen, methane and carbon monoxide in inert gases — Gas chromatography with zirconia detector
National·Recommended
Instant delivery (0–9 sec)
$110.0015 pages
Valid
GB/T 28125.1-2025 — Gas analysis — Determination of the contents of hazardous materials in air separation process — Part 1: Determination of contents of methane, acetylene, carbon dioxide and hydrocarbons
National·Recommended
Instant delivery (0–9 sec)
$230.0015 pages
Valid
GB/T 28158-2025 — Occupational classification and qualification management of international trade
National·Recommended
Instant delivery (0–9 sec)
$635.0035 pages
Valid
GB/T 28159-2025 — Electronic grade phosphoric acid
National·Recommended
Instant delivery (0–9 sec)
$200.0015 pages
Valid
GB/T 28168-2025 — Information technology — Middleware — Technical requirement for message-oriented middleware
National·Recommended
Instant delivery (0–9 sec)
$305.0017 pages
Valid
GB/T 28185-2025 — Heat exchange unit for urban heating
National·Recommended
Instant delivery (0–9 sec)
$560.0029 pages
Valid
GB/T 28199-2025 — Oil-filled radiator
National·Recommended
Instant delivery (0–9 sec)
$365.0020 pages
Valid
GB/T 28217-2025 — Lens edgers
National·Recommended
Instant delivery (0–9 sec)
$190.0019 pages
Valid
GB/T 28219.1-2025 — Intelligentization technology requirements and evaluation for intelligent household appliances — Part 1: General requirements
National·Recommended
Instant delivery (0–9 sec)
$365.0020 pages
Valid
GB/T 28245-2025 — Automatic metalforming machinery - Noise limits
National·Recommended
Instant delivery (0–9 sec)
$140.0010 pages
Valid
GB/T 28253-2025 — Thread forming tap
National·Recommended
Instant delivery (0–9 sec)
$425.0024 pages
Valid
GB/T 28285-2025 — Terminology for oxygen system of airplane
National·Recommended
Instant delivery (0–9 sec)
$560.0031 pages
Valid
GB/T 2829-2025 — Sampling procedures and tables for periodic inspection by attributes
National·Recommended
Instant delivery (0–9 sec)
$1,100.0095 pages
Valid
GB/T 28410-2025 — Structural steel plate for wind power tower
National·Recommended
Instant delivery (0–9 sec)
$230.0013 pages
Valid
GB/T 28429-2025 — Cables for electrified railways - DC traction power cables and accessories up to 1500 V
National·Recommended
Instant delivery (0–9 sec)
$545.0037 pages
Valid
GB/T 28504.4-2025 — Rare earth doped optical fibre - Part 4: Characteristics of erbium-doped optical fibre
National·Recommended
Instant delivery (0–9 sec)
$215.0013 pages
Valid
GB/T 28529-2025 — Platform brake testers
National·Recommended
Instant delivery (0–9 sec)
$440.0025 pages
Valid
GB/T 28559-2025 — Supercritical and ultra-supercritical turbine — Blades
National·Recommended
Instant delivery (0–9 sec)
$365.0020 pages
Valid
GB/T 28570-2025 — Technical guide of on-line condition monitoring system for hydraulic turbine and generator units
National·Recommended
Instant delivery (0–9 sec)
$545.0030 pages
Valid
GB/T 28572-2025 — Specification and technical parameters of inlet valves for large and medium-sized hydraulic turbines
National·Recommended
Instant delivery (0–9 sec)
$455.0025 pages
Valid
GB/T 28583-2025 — Specification of electricity supply service
National·Recommended
Instant delivery (0–9 sec)
$365.0019 pages
Valid
GB/T 28585-2025 — Geographic information - Methodology for feature cataloguing
National·Recommended
Instant delivery (0–9 sec)
$1,115.0070 pages
Valid
GB/T 28683-2025 — Phalaenopsis
National·Recommended
Instant delivery (0–9 sec)
$245.0015 pages
Valid
GB/T 28726-2025 — Gas analysis - Gas chromatography with helium ionization detector
National·Recommended
Instant delivery (0–9 sec)
$305.0030 pages
Valid
GB/T 28727-2025 — Gas analysis — Determination of the contents of trace sulfur compounds in gases — Gas chromatography with flame photometric detector
National·Recommended
Instant delivery (0–9 sec)
$185.0015 pages
Valid
GB/T 28729-2025 — Nitrous oxide
National·Recommended
Instant delivery (0–9 sec)
$305.0017 pages
Valid
GB/T 28739-2025 — Kitchen waste treating and utilizing equipment in catering services
National·Recommended
Instant delivery (0–9 sec)
$545.0027 pages
Valid
GB/T 28742-2025 — Technical specification for the safety of sewage treatment equipment
National·Recommended
Instant delivery (0–9 sec)
$215.0011 pages
Valid
GB/T 28743-2025 — Sewage treatment vessel equipment - General technical requirements
National·Recommended
Instant delivery (0–9 sec)
$215.0010 pages
Valid
GB/T 28756-2025 — Cable cranes
National·Recommended
Instant delivery (0–9 sec)
$500.0025 pages
Valid
GB/T 28789-2025 — Video traffic incident detector
National·Recommended
Instant delivery (0–9 sec)
$365.0020 pages
Valid
GB/T 28803.1-2025 — Consumer product safety risk management — Part 1: Directives
National·Recommended
Instant delivery (0–9 sec)
$260.0015 pages
Valid
GB/T 28807.3-2025 — Railway applications — Compatibility between rolling stock and train detection systems — Part 3: Compatibility with axle counters
National·Recommended
Instant delivery (0–9 sec)
$635.0035 pages
Valid
GB/T 28815-2025 — Technical requirements for the master station of a real-time dynamic monitoring system of a power system
National·Recommended
Instant delivery (0–9 sec)
$550.0010 pages
Valid
GB/T 28845-2025 — Silk fabrics for neckties
National·Recommended
Instant delivery (0–9 sec)
$260.0024 pages
Valid
GB/T 28857-2025 — Differential transformer displacement transducer
National·Recommended
Instant delivery (0–9 sec)
$305.0017 pages
Valid
GB/T 28859-2025 — Epoxy powder encapsulation material for electronic packaging
National·Recommended
Instant delivery (0–9 sec)
$245.0015 pages
Valid
GB/T 28885-2025 — Directives for gas service
National·Recommended
Instant delivery (0–9 sec)
$365.0020 pages
Valid
GB/T 28906-2025 — Hot-rolled steel wire rod for cold heading
National·Recommended
Instant delivery (0–9 sec)
$425.0024 pages