DEVICE TO SUPPORT AND PROTECT DOCUMENTS,申请号CA19902010573-传众专利搜索

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发明名称	DEVICE TO SUPPORT AND PROTECT DOCUMENTS
摘要
申请公布号	CA2010573(A1)	申请公布日期	1990.09.09
申请号	CA19902010573	申请日期	1990.02.21
申请人	CROW, TOMMI L.	发明人	CROW, TOMMI L.
分类号	G09F1/10	主分类号	G09F1/10
代理机构		代理人
主权项
地址

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