Apparatus and process for forming corrugations in tubing,申请号US19570647631-传众专利搜索

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发明名称	Apparatus and process for forming corrugations in tubing
摘要
申请公布号	US3141496(A)	申请公布日期	1964.07.21
申请号	US19570647631	申请日期	1957.03.21
申请人	YOWELL JOSEPH W;MINER DONALD B	发明人	YOWELL JOSEPH W.;MINER DONALD B.
分类号	B21D15/10	主分类号	B21D15/10
代理机构		代理人
主权项
地址

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