Method of making flanged tubing,申请号US19410379180-传众专利搜索

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发明名称	Method of making flanged tubing
摘要
申请公布号	US2328742(A)	申请公布日期	1943.09.07
申请号	US19410379180	申请日期	1941.02.17
申请人	THOMPSON PRODUCTS INCORPORATED	发明人	ROGERS RUPERT M.;HILEMAN PAUL D.
分类号	B21D19/08	主分类号	B21D19/08
代理机构		代理人
主权项
地址

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