Electromechanical resonant vibrator,申请号GB19570032585-传众专利搜索

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发明名称	Electromechanical resonant vibrator
摘要
申请公布号	GB815450(A)	申请公布日期	1959.06.24
申请号	GB19570032585	申请日期	1957.10.18
申请人	STANDARD TELEPHONES AND CABLES LIMITED	发明人
分类号	H01H50/76;H04M19/02	主分类号	H01H50/76
代理机构		代理人
主权项
地址

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