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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 14766-2008 |
Photography - Black-and-white continuous-tone papers - Determination of ISO speed and ISO range for printing 摄影 黑白连续影调相纸 ISO感光度和ISO印相范围的测定 |
China National Standards Determination speed black |
 English PDF |
| GB/T 15958-1995 |
Determination of speed of black-and-white motion-picture negative film 黑白电影负片感光度的测定 |
China National Standards Determination speed black |
English PDF |
| GB/T 2923-1995 |
Determination of ISO speed of black-and-white pictorial still camera negative film/process systems 黑白照相负片/加工组合ISO感光度的测定 |
China National Standards Determination speed black |
English PDF |
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