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GB/T 39748.7-2021
Urine-absorbing aids for incontinence—Test methods for characterizing polymer-based absorbent materials—Part 7:Gravimetric determination of absorption under pressure
GB/T 39748.6-2021
Urine-absorbing aids for incontinence—Test methods for characterizing polymer-based absorbent materials—Part 6:Gravimetric determination of fluid retention capacity in saline solution after centrifugation
GB/T 39748.11-2021
Urine-absorbing aids for incontinence—Test methods for characterizing polymer-based absorbent materials—Part 11:Determination of content of respirable particles
GB/T 39748.10-2021
Urine-absorbing aids for incontinence—Test methods for characterizing polymer-based absorbent materials—Part 10:Determination of extractable polymer content by potentiometric titration
GB/T 39747-2021
Code of practice for the safe use of supported elevating work platform
GB/T 39746-2021
NC bus processing machine
GB/T 39745-2021
CNC punching and laser cutting composite machines
GB/T 39744-2021
General requirements of mechanical product electronic manual based on three-dimensional model
GB/T 39743-2021
Plain bearings—Thermoplastic bushes—Dimensions and tolerance
GB/T 39742-2021
Plain bearings—Aluminium alloys for solid bearings
GB/T 39741.2-2021
Plain bearings—Tolerances—Part 2：Tolerances on geometrical characteristics and surface roughness for shafts and thrust collars
GB/T 39721-2021
Technical requirement for reference station joining BeiDou ground-based augmentation system
GB/T 39693.3-2021
Rubber, vulcanized or thermoplastic—Determination of hardness—Part 3:Dead-load hardness using the very low rubber hardness (VLRH) scale
GB/T 39644-2021
Plain bearings—Technical specifications for Tin-based alloy plain bearings of rotating machinery
GB/T 39600-2021
Formaldehyde emission grading for wood-based panel and finishing products
GB/T 39598-2021
A guide to the limited quantity in indoor loading for wood-based panel based on its ultimate formaldehyde emission
GB/T 35060.4-2021
General specification of shearer—Part 4: Electric control system
GB/T 34080.4-2021
Security specification of electronic government common platform based on cloud computing—Part 4: Application security
GB/T 34080.3-2021
Security specification of electronic government common platform based on cloud computing—Part 3：Service security
GB/T 34079.5-2021
Service specification of electronic government common platform based on cloud computing—Part 5: Mobility service
