Dispositif assurant la rotation synchronisée de deux verres de lunettes,申请号FRD1049920-传众专利搜索

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发明名称	Dispositif assurant la rotation synchronisée de deux verres de lunettes
摘要
申请公布号	FR1049920(A)	申请公布日期	1954.01.04
申请号	FRD1049920	申请日期	1952.01.28
申请人		发明人	PRAT JEAN-RENE-AUGUSTE
分类号	G02C7/12	主分类号	G02C7/12
代理机构		代理人
主权项
地址

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