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发明名称
摘要
申请公布号	FR2390560(B2)	申请公布日期	1982.07.16
申请号	FR19770014456	申请日期	1977.05.11
申请人	RECHERCHE ETUDES TECHNIQUES	发明人
分类号	E04B1/94;(IPC1-7):04C1/36;04B1/94	主分类号	E04B1/94
代理机构		代理人
主权项
地址

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