GB/T 147-1997.Writing paper and certain classes printed matter-Untrimmed sizes.1...

国家标准2023.07.20

GB/T 148一1997.Writing paper and certain classes printed matter-Trimmed sizes-A a...

国家标准2023.07.20

GB/T 149-1995.Pencil.5.11笔杆结合牢度将铅笔漫入30士2C的水面下1h,取出后反向拧动笔杆两端,观察笔杆有无开胶现象。5.12杆内断芯5...

国家标准2023.07.20

GB/T 462-2003.Paper and board-Determination of moisture content.1范围GB/T 462规定了取样...

国家标准2023.07.20

GB/T 453-2002.Paper and board - Determination of tensile properties(Constant rat...

国家标准2023.07.20

GB/T 455-2002.Paper and board determination of tearing resistance.1范围GB/T 455规定了...

国家标准2023.07.20

GB/T 456-2002.Paper and board- Determination of smoothness(Bekk method).1范围GB/T...

国家标准2023.07.20

GB/T 458-2002.Paper and board -Determination of air permeance (Schopper method)....

国家标准2023.07.20

GB/T 461.1-2002.Paper and board- - Determination of capillary rise(Klemm method)...

国家标准2023.07.20

GB/T 461.2-2002.Paper and board- Determination of the rate of surface absorbing....

国家标准2023.07.20