Casing for ball valves,申请号US19290334481-传众专利搜索

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发明名称	Casing for ball valves
摘要
申请公布号	US1861674(A)	申请公布日期	1932.06.07
申请号	US19290334481	申请日期	1929.01.23
申请人	ADOLF WINTERHOFF	发明人	WINTERHOFF ADOLF
分类号	F16K15/04	主分类号	F16K15/04
代理机构		代理人
主权项
地址

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