METHOD AND SYSTEM FOR RETAINING ACCESS TO DELETED DOCUMENTS IN A DATA PROCESSING SYSTEM,申请号US19900534814-传众专利搜索

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发明名称	METHOD AND SYSTEM FOR RETAINING ACCESS TO DELETED DOCUMENTS IN A DATA PROCESSING SYSTEM
摘要
申请公布号	US5144556(A)	申请公布日期	1992.09.01
申请号	US19900534814	申请日期	1990.06.07
申请人	INTERNATIONAL BUSINESS MACHINES CORPORATION	发明人	WANG, DIANA S.;WILLIAMS, MARVIN L.
分类号	G06F12/00;G06F17/22;G06F17/30	主分类号	G06F12/00
代理机构		代理人
主权项
地址

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