Gate valve,申请号US19500138780-传众专利搜索

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发明名称	Gate valve
摘要
申请公布号	US2583512(A)	申请公布日期	1952.01.22
申请号	US19500138780	申请日期	1950.01.16
申请人	W-K-M COMPANY	发明人	LAURENT MILTON P.
分类号	F16K3/18	主分类号	F16K3/18
代理机构		代理人
主权项
地址

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