Method of and apparatus for forming slugs and extruding tubes,申请号US19340727971-传众专利搜索

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发明名称	Method of and apparatus for forming slugs and extruding tubes
摘要
申请公布号	US2081175(A)	申请公布日期	1937.05.25
申请号	US19340727971	申请日期	1934.05.28
申请人	THE SUN TUBE CORPORATION	发明人	FRIDEN JOHN H.
分类号	B21C33/00	主分类号	B21C33/00
代理机构		代理人
主权项
地址

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