Abat-jour opaque de n'importe quelle forme, à silhouettes transparentes invisibles, ne devenant visibles qu'à la lumière,申请号FRD698027-传众专利搜索

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发明名称	Abat-jour opaque de n'importe quelle forme, à silhouettes transparentes invisibles, ne devenant visibles qu'à la lumière
摘要
申请公布号	FR698027(A)	申请公布日期	1931.01.26
申请号	FRD698027	申请日期	1930.05.26
申请人		发明人	VARIN HENRY-CHARLES;VINCENT CAMILLE-MARIUS
分类号	F21V1/00	主分类号	F21V1/00
代理机构		代理人
主权项
地址

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