Improvements relating to capacitor microphones,申请号GB19650036055-传众专利搜索

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发明名称	Improvements relating to capacitor microphones
摘要
申请公布号	GB1086488(A)	申请公布日期	1967.10.11
申请号	GB19650036055	申请日期	1965.08.23
申请人	PHILIPS ELECTRONIC AND ASSOCIATED INDUSTRIES LIMITED	发明人
分类号	H04R19/00;H04R19/04	主分类号	H04R19/00
代理机构		代理人
主权项
地址

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