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标题: MIL-V-6129A [打印本页]

作者: sigh007 时间: 2012-3-22 15:54:17 标题: MIL-V-6129A

MIL-V-6129A, MILITARY SPECIFICATION: VALVE, CHECK, VACUUM AND PRESSURE SYSTEM (15 JUN 1964)., This specification covers one type of air check valve.

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