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China GB Standards List

 GB/T 12938-1991  
Determination of thiosulphate and other related residual chemicals in processed photographic materials--Iodine-amylose,methylene blue and silver sulphide densito-metric methods

已加工的摄影材料中硫代硫酸盐及其他相关化学残留物的测定方法 碘-直链淀粉法、亚甲蓝法和硫化银密度法
 GB/T 12646-1990  
Numerical control of machines--NC processor input--Basic part program reference language

数字控制机床的数控处理程序输入 基本零件源程序参考语言
 GB/T 1526-1989  
Information processing--Documentation symbols and conventionsfor data, program and system flowcharts, program network charts and system resources charts

信息处理 数据流程图、程序流程图、系统流程图、程序网络图和系统资源图的文件编制符号及约定
 GB/T 9716-1988  
Information processing--Unrecorded 12.7mm (0.5in)wide magnetic tape for information interchange-32ftpmm(800 ftpi)NRZ1,126ftpmm(3200ftpi)phase encoded and 356ftpmm(9042ftpi) NRZ1

信息处理 信息交换用9磁道,12.7mm(0.5in)未记录磁带 32ftpmm(800ftpi)NRZ1制,126ftpmm(3200ftpi)调相制和356ftpmm(9042ftpi)NRZ1制

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