Dispositif de production de surfaces de projection,申请号FRD683632-传众专利搜索

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发明名称	Dispositif de production de surfaces de projection
摘要
申请公布号	FR683632(A)	申请公布日期	1930.06.16
申请号	FRD683632	申请日期	1929.09.17
申请人		发明人	LADINSKY WOLDEMAR DE
分类号	G03B21/56	主分类号	G03B21/56
代理机构		代理人
主权项
地址

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