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标题: MIL-V-1189D [打印本页]

作者: sigh007 时间: 2012-3-23 11:03:41 标题: MIL-V-1189D

MIL-V-1189D, MILITARY SPECIFICATION: VALVE, GATE, BRONZE (15 DEC 1987)., This specification describes gate valves for use in water, oil, gas, or steam services on shipboard

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