Die for extruding tubular plastic film,申请号US19580713693-传众专利搜索

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发明名称	Die for extruding tubular plastic film
摘要
申请公布号	US2978748(A)	申请公布日期	1961.04.11
申请号	US19580713693	申请日期	1958.02.06
申请人	KOPPERS COMPANY, INC.	发明人	MCCAULEY THOMAS M.;SVOBODA GEORGE
分类号	B29C47/28	主分类号	B29C47/28
代理机构		代理人
主权项
地址

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