Improvements in or relating to electro-optical device for skill practicing,申请号GB19370035944-传众专利搜索

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发明名称	Improvements in or relating to electro-optical device for skill practicing
摘要
申请公布号	GB513825(A)	申请公布日期	1939.10.23
申请号	GB19370035944	申请日期	1937.12.28
申请人	EGON NICOLAS MULLER	发明人
分类号	F41G3/26	主分类号	F41G3/26
代理机构		代理人
主权项
地址

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