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发明名称
摘要
申请公布号	FR2297435(B1)	申请公布日期	1978.03.17
申请号	FR19750001363	申请日期	1975.01.13
申请人	HEURTIER ET CIE ETS	发明人
分类号	G03B21/43;(IPC1-7):G03B21/43	主分类号	G03B21/43
代理机构		代理人
主权项
地址

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