Perfectionnements à une structure de branches temporales de lunettes,申请号FRD1134172-传众专利搜索

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发明名称	Perfectionnements à une structure de branches temporales de lunettes
摘要
申请公布号	FR1134172(A)	申请公布日期	1957.04.08
申请号	FRD1134172	申请日期	1955.08.22
申请人	BAUSCH & LOMB OPTICAL CO	发明人
分类号	G02C1/02;G02C1/04	主分类号	G02C1/02
代理机构		代理人
主权项
地址

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