Improvements in staff locator systems,申请号GB19540003311-传众专利搜索

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发明名称	Improvements in staff locator systems
摘要
申请公布号	GB762289(A)	申请公布日期	1956.11.28
申请号	GB19540003311	申请日期	1954.02.04
申请人	INTERNATIONAL BUSINESS MACHINES CORPORATION	发明人
分类号	G08B3/10	主分类号	G08B3/10
代理机构		代理人
主权项
地址

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