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International Standard Category: Photographic paper, films and plates. Cartridges

GB 9862-1988    for determining the speed and average gradient of black - And - White aerial camera films
黑白航空照相胶片感光度和平均斜率测定方法;
Category No.:37.040.20 Valid Status:valid
Issued Organization:AQSIQ Issued Date:1988-9-20
Implemented Date:1989-5-1 Abolished Date:
Superseded Standard.: Superseded Date:
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