BOARDS WITH DETACHABLE HOLES ESPECIALLY ATTENDANCE BOARDS,申请号CS19910001268-传众专利搜索

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发明名称	BOARDS WITH DETACHABLE HOLES ESPECIALLY ATTENDANCE BOARDS
摘要
申请公布号	CS9101268(A2)	申请公布日期	1991.12.17
申请号	CS19910001268	申请日期	1991.05.02
申请人	WILFRIED IDSTEIN,IT	发明人	IDSTEIN WILFRIED,IT
分类号	B42F7/00;B42F7/02;B42F7/04;B42F11/00;(IPC1-7):B42F7/08	主分类号	B42F7/00
代理机构		代理人
主权项
地址

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