CODED SIGNATURE INDEXED DATABASES,申请号EP19900300544-传众专利搜索

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发明名称	CODED SIGNATURE INDEXED DATABASES
摘要
申请公布号	EP0380240(A3)	申请公布日期	1992.12.16
申请号	EP19900300544	申请日期	1990.01.18
申请人	INTERNATIONAL BUSINESS MACHINES CORPORATION	发明人	CHANG, WALTER WEI-TUH;SCHEK, HANS GOERG
分类号	G06F12/00;G06F17/30;(IPC1-7):G06F15/401;G06F15/411;G06F15/419	主分类号	G06F12/00
代理机构		代理人
主权项
地址

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