A device for checking the speed of a tape recorder,申请号GB19640010715-传众专利搜索

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发明名称	A device for checking the speed of a tape recorder
摘要
申请公布号	GB1098295(A)	申请公布日期	1968.01.10
申请号	GB19640010715	申请日期	1964.03.13
申请人	ALISTAIR ROGER PIGDEN	发明人
分类号	G01P3/40;G11B23/42	主分类号	G01P3/40
代理机构		代理人
主权项
地址

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