Perfectionnements apportés aux dispositifs de publicité lumineuse,申请号FRD685388-传众专利搜索

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发明名称	Perfectionnements apportés aux dispositifs de publicité lumineuse
摘要
申请公布号	FR685388(A)	申请公布日期	1930.07.09
申请号	FRD685388	申请日期	1929.11.22
申请人		发明人	WILHELM KARL MAX
分类号	G09F13/06	主分类号	G09F13/06
代理机构		代理人
主权项
地址

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