Coin collecting and refunding arrangement for telephone systems,申请号GB19320010466-传众专利搜索

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发明名称	Coin collecting and refunding arrangement for telephone systems
摘要
申请公布号	GB399565(A)	申请公布日期	1933.10.12
申请号	GB19320010466	申请日期	1932.04.12
申请人	TELEFONAKTIEBOLAGET L.M. ERICSSON	发明人
分类号	H04M17/02	主分类号	H04M17/02
代理机构		代理人
主权项
地址

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