MECHANISM FOR WINDING AIR-TIGHT SHEET UP AND OFF,申请号US19910746933-传众专利搜索

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发明名称	MECHANISM FOR WINDING AIR-TIGHT SHEET UP AND OFF
摘要
申请公布号	US5124746(A)	申请公布日期	1992.06.23
申请号	US19910746933	申请日期	1991.08.19
申请人	DAINIPPON SCREEN MFG. CO.	发明人	OHTORII, MASAKAZU
分类号	G03F7/20;G03B27/20	主分类号	G03F7/20
代理机构		代理人
主权项
地址

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