[GB 9191-1988] 照相镜头的色贡献指数[已作废]
发布时间:1989-07-01
实施时间:1989-07-01
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[GB 9918-1988] 摄影镜头 杂光系数测量方法[已作废]
发布时间:1989-07-01
实施时间:1989-07-01
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[GB 9919-1988] 照相镜头焦距的测量方法[已作废]
发布时间:1989-07-01
实施时间:1989-07-01
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发布时间:1989-07-01
实施时间:1989-07-01
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[GB 9921-1988] 摄影用玻璃滤光镜通用规则[已作废]
发布时间:1989-07-01
实施时间:1989-07-01
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[GB 9922-1988] 摄影用光平衡玻璃滤光镜[已作废]
发布时间:1989-07-01
实施时间:1989-07-01
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[GB 9923-1988] 摄影用中性玻璃滤光镜[已作废]
发布时间:1989-07-01
实施时间:1989-07-01
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发布时间:1989-07-01
实施时间:1989-07-01
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发布时间:1988-09-20
实施时间:1989-07-01
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[ZB Y 346.9-1985] 电影摄影物镜的有效孔径、F数及相对孔径的测定方法[已作废]
发布时间:1988-07-01
实施时间:1988-07-01
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[GB 7943-1987] 摄影器材中的滤光镜尺寸[已作废]
发布时间:1988-01-01
实施时间:1988-01-01
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发布时间:1986-01-23
实施时间:1986-04-01
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发布时间:1986-01-23
实施时间:1986-04-01
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发布时间:1986-01-23
实施时间:1986-04-01
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发布时间:1986-01-23
实施时间:1986-04-01
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