Perfectionnements apportés aux kaléidoscopes,申请号FRD867862-传众专利搜索

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发明名称	Perfectionnements apportés aux kaléidoscopes
摘要
申请公布号	FR867862(A)	申请公布日期	1941.12.02
申请号	FRD867862	申请日期	1940.11.30
申请人		发明人	CAUSSAT LOUIS, LUCIEN
分类号	G02B27/08	主分类号	G02B27/08
代理机构		代理人
主权项
地址

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