CORRUGATED PIPE COUPLING FORMING METHOD,申请号USD3447352-传众专利搜索

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发明名称	CORRUGATED PIPE COUPLING FORMING METHOD
摘要
申请公布号	US3447352(A)	申请公布日期	1969.06.03
申请号	USD3447352	申请日期	1966.12.23
申请人	DAVIS MILLER CORP.	发明人	ROBERT F. MILLER
分类号	B21C37/12;B21D13/04;(IPC1-7):B21B1/12;F16L21/06	主分类号	B21C37/12
代理机构		代理人
主权项
地址

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