GB/T 15144-1994.A. C. supplied electronic ballasts for tubular fluorescent lamps- -Performance requirements.GB/T 15144等效采用国际电工委员会标准IEC929(1990)《管形荧光...
GB/T 15041-1994.High pressure xenon short arc lamps.5.3.1.1工作电压的测量在灯的试验条件下点燃15min,然后测量灯两端的电压值。5.3.1.2光通量的测量在灯...
GB/T 14766-1993.Photography-black-and-white continuous-tone I papers-determinatlon of ISO speed and ISO range for printing.3.6最大净密度:为最大密度- (纸基密度+灰雾密度...
GB/T 14765-1993.Four- way socket wrenches.GB/T 14765参照采用国际标准ISO 6788- 19828十字套简扳 手的尺寸》。1主题内容与适用范围GB/T 14765规定了十字柄套...
GB/T 14625. 5-1995.Measurement of circumference and its variation for basketball , football , volleyball and handball.1主题内容与适用范围GB/T 14625. 5规定了篮球、足球...
GB/T 14625. 4一1995.Testing conditions and samples preparation for basketball ,football , volleyball and handball.1主题内容与适用范围GB/T 14625. 4规定了篮球、足球、...
GB/T 14625. 3-1993.Basketball ,football , volleyball ,nandiall-The determination of resistance to shock.1主题内容 与适用范围GB/T 14625. 3规定了篮球、足球、排球、手...
GB/T 14625. 2-1993.Basketbal, football，volleyball ,handball-The measurement of bouncing altitude.1主题内容与适用范围GB/T 14625. 2规定了篮球、足球、排球、手球反...
GB/T 14625. 1-1993.Basketball ,football , volleyball, handball一The measurement of roundness.6试验步骤6.1 打开总电源开关,打开风机开关,轴流风机运转。6.2按下启...
GB/T 14624. 6一1993.Test method for increase in value of tack of printing inks.1主题内容 与适用范围GB/T 14624. 6规定了油墨粘性增值的检验方法。GB/T 14624. 6适...
