Means for inserting valves,申请号US19290337642-传众专利搜索

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发明名称	Means for inserting valves
摘要
申请公布号	US1743338(A)	申请公布日期	1930.01.14
申请号	US19290337642	申请日期	1929.02.05
申请人		发明人	FIELD WILLIAM T.
分类号	F16L55/105	主分类号	F16L55/105
代理机构		代理人
主权项
地址

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