Improvements in or relating to magnetic phonograph pickup with compensating pole piece arrangement,申请号GB19640026865-传众专利搜索

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发明名称	Improvements in or relating to magnetic phonograph pickup with compensating pole piece arrangement
摘要
申请公布号	GB1061740(A)	申请公布日期	1967.03.15
申请号	GB19640026865	申请日期	1964.06.29
申请人	PICKERING & COMPANY, INC.	发明人	STANTON WALTER OLIVER
分类号	H04R11/12	主分类号	H04R11/12
代理机构		代理人
主权项
地址

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