![]() Luminaires Part 2-22: Special requirements Emergency lighting fixtures 灯具 第2-22部分:特殊要求 应急照明灯具 |
![]() Geometrical product specifications (GPS)—Geometrical precision verification—Part 3:Functional gauges and fixtures—Verification when applying maximum material requirements and minimum material requirements 产品几何技术规范(GPS) 几何精度的检测与验证 第3部分:功能量规与夹具 应用最大实体要求和最小实体要求时的检测与验证 |
![]() Holding fixtures of cylindrical abrasive sleeves―Part 2: Holding fixtures for stationary machines 筒形砂套夹紧装置 第2部分:用于固定式磨削机上的夹紧装置 |
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