道路车辆 气压制动系 第1部分：管、端面密封外螺纹接头和螺纹孔
Road vehicles—Pneumatic braking systems—Part 1: Pipes,male fittings and tapped holes with facial sealing surface
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发布于：2025-08-29
实施于：2026-05-31
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Road vehicles—Pneumatic braking systems—Part 1: Pipes,male fittings and tapped holes with facial sealing surface