Improvements in or relating to portable electrical communication instruments,申请号GB19570038552-传众专利搜索

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发明名称	Improvements in or relating to portable electrical communication instruments
摘要
申请公布号	GB836384(A)	申请公布日期	1960.06.01
申请号	GB19570038552	申请日期	1957.12.11
申请人	SIEMENS-ELECTROGERAETE AKTIENGESELLSCHAFT	发明人
分类号	H04B1/08	主分类号	H04B1/08
代理机构		代理人
主权项
地址

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