Extrusion apparatus,申请号US19460652087-传众专利搜索

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发明名称	Extrusion apparatus
摘要
申请公布号	US2422722(A)	申请公布日期	1947.06.24
申请号	US19460652087	申请日期	1946.03.05
申请人	E. I. DU PONT DE NEMOURS & COMPANY	发明人	FIELITZ FREDERICK J.
分类号	B29C47/58	主分类号	B29C47/58
代理机构		代理人
主权项
地址

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