Improvements in or relating to trigger devices,申请号GB19380014948-传众专利搜索

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发明名称	Improvements in or relating to trigger devices
摘要
申请公布号	GB514964(A)	申请公布日期	1939.11.22
申请号	GB19380014948	申请日期	1938.05.19
申请人	ELECTRICAL RESEARCH PRODUCTS INC.	发明人
分类号	G11B7/00	主分类号	G11B7/00
代理机构		代理人
主权项
地址

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