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金属覆盖层.光学仪器用铬电镀层规范
Metal coating. Specifications for chromium electroplated coatings of optical instrument
价格：￥0.00
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金属覆盖层.光学仪器用镍电镀层规范
Metal coating. Specifications for nickel electroplated coatings of optical instrument
价格：￥0.00
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金属覆盖层.光学仪器用黑镍电镀层规范
Metal coating. Specifications for black nickel electroplated coatings of optical instrument
价格：￥0.00
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视频交通流检测器检定规程
Verification Regulation of Video Traffic Detector
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光干涉式甲烷测定器
Methane Detector of Interferometer Type
价格：￥0.00
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光学仪器防霉、防雾、防锈 技术要求
Requirements for the prevention of mould, fog, corrosion of optical instruments
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机动车尾气遥测设备 通用技术要求
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逆反射测量仪
Retroreflectometer
价格：￥0.00
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光学零件球面半径数值系列
Radii of spherical surfaces of optical elements series of numerical values
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