Circuit closer attachment for valves,申请号US19290375017-传众专利搜索

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发明名称	Circuit closer attachment for valves
摘要
申请公布号	US1908891(A)	申请公布日期	1933.05.16
申请号	US19290375017	申请日期	1929.07.01
申请人	DIEGEL JOHN M	发明人	DIEGEL JOHN M.
分类号	F16K37/00	主分类号	F16K37/00
代理机构		代理人
主权项
地址

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