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发明名称
摘要
申请公布号	FR2327363(B3)	申请公布日期	1979.06.29
申请号	FR19750030982	申请日期	1975.10.09
申请人	ESSO SAF	发明人
分类号	E01C7/18;(IPC1-7):E01C7/32	主分类号	E01C7/18
代理机构		代理人
主权项
地址

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