Method of producing integral wrought metal valve bodies,申请号US19360059031-传众专利搜索

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发明名称	Method of producing integral wrought metal valve bodies
摘要
申请公布号	US2165228(A)	申请公布日期	1939.07.11
申请号	US19360059031	申请日期	1936.01.14
申请人	AMERICAN RADIATOR & STANDARD SANITARY CORPORATION	发明人	JR. EDWARD S. CORNELL,
分类号	B21K1/24	主分类号	B21K1/24
代理机构		代理人
主权项
地址

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