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GB/T 21021.4-2021
Intermodulation level measurement for passive RF and microwave devices—Part 4: Measurement of passive intermodulation in coaxial cables
GB/T 21021.3-2021
Intermodulation level measurement for passive RF and microwave devices—Part 3: Measurement of passive intermodulation in coaxial connectors
GB/T 21021.2-2021
Intermodulation level measurement for passive RF and microwave devices—Part 2：Measurement of passive intermodulation in coaxial cable assemblies
GB/T 21021.1-2021
Intermodulation level measurement for passive RF and microwave devices—Part 1: General requirements and measuring methods
GB/T 19545.5-2021
Assistive products for walking，manipulated by one arm—Requirements and test methods—Part 5: Walking sticks and canes with seat
GB/T 20978-2021
Quality requirement for soft ice cream serving-machine
GB/T 20707-2021
Quality requirement for cocoa butter
GB/T 40887.1-2021
Wheelchair containment and occupant retention systems for accessible transport vehicles designed for use by both sitting and standing passengers—Part 1: Systems for rearward-facing wheelchair seated passengers
GB/T 10781.8-2021
Quality requirements for baijiu— Part 8: Nongjiangjianxiangxing baijiu
GB/T 40889.1-2021
Tips for assistive products for walking—Requirements and test methods—Part 1: Friction of tips
GB/T 40888-2021
Aids for ostomy and incontinence—Irrigation sets—Requirements and test methods
GB/T 40889.2-2021
Tips for assistive products for walking—Requirements and test methods—Part 2: Durability of tips for crutches
GB/T 40640.3-2021
Informationalized management of chemicals—Part 3: Electronic label application
GB/T 40945-2021
Code of practice for quality grading of livestock and poultry meat
GB/T 40947-2021
Guide for safety resilient city evaluation
GB/T 40962-2021
Dried boiled abalone
GB/T 40964-2021
Standard operating procedure of cold-chain circulation for peach
GB/T 40960-2021
Technical regulation of cold-chain circulation for apple
GB/T 41001-2021
Melamine plastic tableware
GB/T 40961-2021
Calibration methods of rock triaxial testing apparatus
