GB/T — National Recommended
Found: 34399 — page 52 of 717
Valid
GB/T 21739-2025 — Safety rules for the construction and installation of home lifts
National·Recommended
Instant delivery (0–9 sec)
$1,190.0066 pages
Valid
GB/T 21740-2025 — Specifications for urban database construction of fundamental geographic information
National·Recommended
Instant delivery (0–9 sec)
$425.0024 pages
Valid
GB/T 21750-2025 — Chemicals — Test method of toxicokinetics studies
National·Recommended
Instant delivery (0–9 sec)
$305.0017 pages
Valid
GB/T 21751-2025 — Chemicals - Test method of mammalian spermatogonial chromosomeaberration
National·Recommended
Instant delivery (0–9 sec)
$215.0024 pages
Valid
GB/T 21754-2025 — Chemicals — Test method of 28 day (subacute) inhalation toxicity
National·Recommended
Instant delivery (0–9 sec)
$305.0017 pages
Valid
GB/T 21759-2025 — Chemicals — Test method of chronic toxicity
National·Recommended
Instant delivery (0–9 sec)
$260.0015 pages
Valid
GB/T 21763-2025 — ChemicalsTest method of repeated dose oral toxicity study in rodents
National·Recommended
Instant delivery (0–9 sec)
$215.0024 pages
Valid
GB/T 21765-2025 — Chemicals - Test method of subchronic inhalation toxicity
National·Recommended
Instant delivery (0–9 sec)
$305.0030 pages
Valid
GB/T 21766-2025 — Chemicals — Test method of reproduction/developmental toxicity screening
National·Recommended
Instant delivery (0–9 sec)
$260.0015 pages
Valid
GB/T 21769-2025 — ChemicalsIn vitro 3T3 NRU phototoxicity test method
National·Recommended
Instant delivery (0–9 sec)
$305.0030 pages
Valid
GB/T 21771-2025 — Chemicals - Test method of combined repeated dose toxicity study with the reproductiondevelopmental toxicity screening
National·Recommended
Instant delivery (0–9 sec)
$245.0030 pages
Valid
GB/T 21772-2025 — Chemicals — Test method of mammalian bone marrow chromosome aberration
National·Recommended
Instant delivery (0–9 sec)
$215.0015 pages
Valid
GB/T 21773-2025 — Chemicals — Test method of in vivo mammalian erythrocyte micronucleus
National·Recommended
Instant delivery (0–9 sec)
$260.0015 pages
Valid
GB/T 21779-2025 — Test method for particle size distribution of metal powders and related compounds by light scattering
National·Recommended
Instant delivery (0–9 sec)
$140.0011 pages
Valid
GB/T 21786-2025 — Chemicals - Test method of bacterial reverse mutation
National·Recommended
Instant delivery (0–9 sec)
$180.0017 pages
Valid
GB/T 21788-2025 — Chemicals — Test method of combined chronic toxicity/carcinogenicity study
National·Recommended
Instant delivery (0–9 sec)
$220.0015 pages
Valid
GB/T 21793-2025 — Chemicals — Test method of in vitro mammalian cell gene mutation
National·Recommended
Instant delivery (0–9 sec)
$260.0015 pages
Valid
GB/T 21794-2025 — Chemicals - Test method of in vitro mammalian chromosome aberration
National·Recommended
Instant delivery (0–9 sec)
$245.0014 pages
Valid
GB/T 21805-2025 — Chemicals - Alga growth inhibition test
National·Recommended
Instant delivery (0–9 sec)
$425.0024 pages
Valid
GB/T 21818-2025 — Chemicals — Inherent biodegradability — Modified MITI test (II)
National·Recommended
Instant delivery (0–9 sec)
$240.0015 pages
Valid
GB/T 21826-2025 — Chemicals — Test method of acute oral toxicity — Up-and-down procedure (UDP)
National·Recommended
Instant delivery (0–9 sec)
$425.0024 pages
Valid
GB/T 21827-2025 — Chemicals - Test method of skin sensitization - Local lymph node assay
National·Recommended
Instant delivery (0–9 sec)
$305.0030 pages
Valid
GB/T 21828-2025 — Chemicals - Daphnia magna reproduction test
National·Recommended
Instant delivery (0–9 sec)
$365.0024 pages
Valid
GB/T 21840-2025 — Vulcanizing accelerator — N-tert-butyl-1,3-benzothiazole-2-sulfenamide (TBBS)
National·Recommended
Instant delivery (0–9 sec)
$260.0015 pages
Valid
GB/T 21852-2025 — Chemicals — Partition coefficient (n-octanol/water) — High performance liquid chromatography (HPLC) method
National·Recommended
Instant delivery (0–9 sec)
$260.0015 pages
Valid
GB/T 21854-2025 — Chemicals — Fish early-life stage toxicity test
National·Recommended
Instant delivery (0–9 sec)
$365.0020 pages
Valid
GB/T 21859-2025 — Determination of the auto ignition temperature of gas and vapor
National·Recommended
Instant delivery (0–9 sec)
$190.0017 pages
Valid
GB/T 21866-2025 — Test method for antiviral activity and antimicrobial of paints film
National·Recommended
Instant delivery (0–9 sec)
$320.0027 pages
Valid
GB/T 21878-2025 — Water-soluble dyes — Determination of shade and spectrostrength
National·Recommended
Instant delivery (0–9 sec)
$125.0015 pages
Valid
GB/T 21883-2025 — Fluorescent whitening agents - Determination of UV absorption and fluorescence strength
National·Recommended
Instant delivery (0–9 sec)
$190.0017 pages
Valid
GB/T 21924-2025 — Wheat gluten
National·Recommended
Instant delivery (0–9 sec)
$245.0024 pages
Valid
GB/T 21963-2025 — Terminology for agricultural machinery maintenance and repair
National·Recommended
Instant delivery (0–9 sec)
$425.0044 pages
Valid
GB/T 21964-2025 — Repair of agricultural machines — Safety specification
National·Recommended
Instant delivery (0–9 sec)
$125.0015 pages
Valid
GB/T 21995-2025 — Determnation of nitroimidazoles in feeds - Liquid chromatography-tandem mass spectrometry
National·Recommended
Instant delivery (0–9 sec)
$210.0019 pages
Valid
GB/T 22030-2025 — Blendstocks of ethanol gasoline for motor vehicles
National·Recommended
Instant delivery (0–9 sec)
$438.0016 pages
Valid
GB/T 22040-2025 — Technical requirements and test of weathering quality for plastics of highway furnitures
National·Recommended
Instant delivery (0–9 sec)
$140.0015 pages
Valid
GB/T 22046-2025 — Quality requirements for product of geographical indication — Yanghe daqu
National·Recommended
Instant delivery (0–9 sec)
$425.0024 pages
Valid
GB/T 22068-2025 — Electrically driven compressor assembly for automobile air conditioning
National·Recommended
Instant delivery (0–9 sec)
$500.0041 pages
Valid
GB/T 22073-2025 — General requirements for industrial thermal turbines
National·Recommended
Instant delivery (0–9 sec)
$860.0048 pages
Valid
GB/T 22106-2025 — General quality for non-fermented soybean products
National·Recommended
Instant delivery (0–9 sec)
$260.0015 pages
Valid
GB/T 22118-2025 — Guidelines for enterprises credit information collecting, processing and providing
National·Recommended
Instant delivery (0–9 sec)
$185.009 pages
Valid
GB/T 22120-2025 — Requirements of credit data items for enterprises
National·Recommended
Instant delivery (0–9 sec)
$890.0050 pages
Valid
GB/T 22126-2025 — General specification for the operation of logistics centres
National·Recommended
Instant delivery (0–9 sec)
$175.009 pages
Valid
GB/T 22129-2025 — Repair of agricultural machines — General technical specification
National·Recommended
Instant delivery (0–9 sec)
$200.0015 pages
Valid
GB/T 22144-2025 — General rules for natural mineral feeds
National·Recommended
Instant delivery (0–9 sec)
$155.0017 pages
Valid
GB/T 22177-2025 — Pendimethalin technical material
National·Recommended
Instant delivery (0–9 sec)
$260.0024 pages
Valid
GB/T 22199.1-2025 — Valve-regulated lead-acid batteries for moped — Part 1: Technical conditions
National·Recommended
Instant delivery (0–9 sec)
$290.0016 pages
Valid
GB/T 22199.2-2025 — Valve-regulated lead-acid batteries for moped - Part 2: Kinds of products and specifications
National·Recommended
Instant delivery (0–9 sec)
$190.008 pages