CGSB-21.11-1991 标准详情
- 标准号:CGSB-21.11-1991
- 中文标题:黑白照相胶片
- 英文标题:Black And White Photomechanical Film
- 标准类别:加拿大通用CGSB局CGSB
- 发布日期:
Refers to black and white sensitized photomechanical film for line negatives and positives of high contrasts and density or halftone negatives and positives with high sharpness. The film has suitable flexible plastic support coated with a silver hali
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