Improvements in flashlight devices suitable for photographic and the like purposes,申请号GB19330034703-传众专利搜索

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发明名称	Improvements in flashlight devices suitable for photographic and the like purposes
摘要
申请公布号	GB403638(A)	申请公布日期	1933.12.19
申请号	GB19330034703	申请日期	1933.03.19
申请人	JOHN FRANCIS CROWLEY	发明人
分类号	F21K5/08	主分类号	F21K5/08
代理机构		代理人
主权项
地址

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