Improvements in or relating to electric selective calling systems,申请号GB19580040660-传众专利搜索

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发明名称	Improvements in or relating to electric selective calling systems
摘要
申请公布号	GB819908(A)	申请公布日期	1959.09.09
申请号	GB19580040660	申请日期	1957.09.10
申请人	REGINALD ALFRED BULL;COLIN COATES;HAROLD CLAUDE HUNTRISS;WILLIAM EDWARD LARDNER	发明人
分类号	H04B5/04	主分类号	H04B5/04
代理机构		代理人
主权项
地址

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