GB/T 24990-2010.Paper ,board and pulps一Determination of chromium.1范围GB/T 24990规定了纸、纸板和纸浆中微量的铬含量的测定方法。GB/T 24990适用于各种可用...
GB/T 22931-2008.Leather and fur- Chemical tests-Determination of plasticizers.1范围GB/T 22931规定了皮革、毛皮中六种增塑剂(见附录A)含量的测定方法。GB/T 229...
GB/T 17263 一1998 neq IEC 969: 1988.Self-ballasted lamps for general lighting service- Performance requirements.1范围GB/T 17263规定了普通照明用自镇流荧光灯的性能要...
GB/T 11989-2008.Anionic surface active agents-Determination of soluble matter content in light petroleum.1范围GB/T 11989规定了阴离子表面活性剂中石油醚溶解物含量的...
GB 7410-1987.Terms of vitreous and percelain enamels.2.10.8静电涂搪electrostatic enamelling用静电感应方法使带电荷的釉浆(或釉粉)均匀吸附于带异性电荷的坯...
GB 7250-1987.Me thods of measuremeot of lamp cap te mperature rise.GB 7250适用于一般照明灯泡灯头温升的测量方法。一般照明灯泡所用的灯头应符合GB 1406-...
GB/T 7168-1996.Zinc-silver button cells.4.3开路电压按5.3测量,应符合表2规定的值。4.4放电容量.按5.4进行试验,初始容量和贮存12个月后的容量(用放电时...
GB/T 7112一 1998 eqv IEC 60086-2: 1997 R03、R1.R6、R14.R20.Zinc- manganese dry batteries ofR03,R1,R6,R14 and R20 Alkaline zinc-manganese dry batteries of LR03,LR1 ,LR6,LR14 and L...
GB 4689. 19-1984.Leat her一Determination of pH.GB 4689. 19规定了皮革水萃取液的pH值和稀释差的测定方法。GB 4689. 19等同采用国际标准ISO 4045- -1977《皮革...
GB 7256.1-1987.Specificatilons for airport light fixture s General requirements.1引言GB 7256.1适用于民用机场使用的各类助航灯具(以下简称灯具)。灯具为在滑行...
