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发明名称
摘要
申请公布号	FR2069187(A5)	申请公布日期	1971.09.03
申请号	FR19700040240	申请日期	1970.11.09
申请人	COIGNOUX MICHEL;GIROD ROGER	发明人
分类号	G02C5/20;(IPC1-7):G02C5/00	主分类号	G02C5/20
代理机构		代理人
主权项
地址

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