Method of and apparatus for extruding tubes and other elongated shapes,申请号US19320642469-传众专利搜索

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发明名称	Method of and apparatus for extruding tubes and other elongated shapes
摘要
申请公布号	US2002966(A)	申请公布日期	1935.05.28
申请号	US19320642469	申请日期	1932.11.12
申请人	CHARLES H. BICKELL	发明人	SPARKS STANLEY W.
分类号	B21C23/21	主分类号	B21C23/21
代理机构		代理人
主权项
地址

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