projection screens激光显示 第5-6部分:投影屏幕光学测量方法浙江三色光电技术有限公司杭州三泰检测技术有限公司浙江智慧照明技术有限公司杭州浙大三色仪器有限公司李俊凯31110IEC 62977-2-2:2020 Ed 1.0Electronic displays - Part 2-2: Measurements of optical characteristics - Ambient...
equipment - Part 1-8: General requirements for basic safety and essential performance - Collateral Standard: General requirements,tests and guidance for alarm systems in medical electrical equipment...
equipment - Part 1-8: General requirements for basic safety and essential performance - Collateral Standard: General requirements,tests and guidance for alarm systems in medical electrical equipment...
ISO 6721-1, 2001, Determinationof Dynamic Mechanical Properties, General Principles Part 16....
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