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发明名称
摘要
申请公布号	FR2415167(B1)	申请公布日期	1984.02.10
申请号	FR19790001555	申请日期	1979.01.22
申请人	MENDENHALL ROBERT	发明人
分类号	E01C19/02;E01C19/10;(IPC1-7):E01C19/08;C10C3/12;E01C7/22;E01C23/09;F27B7/10	主分类号	E01C19/02
代理机构		代理人
主权项
地址

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