Film stretching device,申请号US19520327362-传众专利搜索

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发明名称	Film stretching device
摘要
申请公布号	US2770007(A)	申请公布日期	1956.11.13
申请号	US19520327362	申请日期	1952.12.22
申请人	THE DOW CHEMICAL COMPANY	发明人	LONGSTRETH MURREY O.;RYAN DANIEL W.
分类号	B29C47/00;B29C55/28	主分类号	B29C47/00
代理机构		代理人
主权项
地址

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