A gravity controlled switch in association with electric torches,申请号GB19400002587-传众专利搜索

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发明名称	A gravity controlled switch in association with electric torches
摘要
申请公布号	GB529572(A)	申请公布日期	1940.11.22
申请号	GB19400002587	申请日期	1940.02.10
申请人	HUGH GEORGE RODWAY	发明人
分类号	F21L4/00	主分类号	F21L4/00
代理机构		代理人
主权项
地址

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