DEVICE FOR CLOSING THE CIRCLE OF METALLIC SPECTACLES,申请号EP19870401403-传众专利搜索

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发明名称	DEVICE FOR CLOSING THE CIRCLE OF METALLIC SPECTACLES
摘要
申请公布号	EP0251870(A3)	申请公布日期	1989.09.27
申请号	EP19870401403	申请日期	1987.06.22
申请人	BOURGEOIS S.A.	发明人	GERBET, ANDRE
分类号	G02C1/08;(IPC1-7):G02C1/08	主分类号	G02C1/08
代理机构		代理人
主权项
地址

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