MACCHINA PER IL CONSOLIDAMENTO PREVENTIVO DEGLI SCAVI DI GALLERIE MEDIANTE LA TECNICA DELL'OMBRELLO PROTETTIVO,申请号IT19900067347-传众专利搜索

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发明名称	MACCHINA PER IL CONSOLIDAMENTO PREVENTIVO DEGLI SCAVI DI GALLERIE MEDIANTE LA TECNICA DELL'OMBRELLO PROTETTIVO
摘要
申请公布号	IT1241223(B)	申请公布日期	1993.12.29
申请号	IT19900067347	申请日期	1990.05.11
申请人	TREVI D.P.A.	发明人	TREVISANI DAVIDE
分类号	E21B15/04;E21D9/00;(IPC1-7):E01G	主分类号	E21B15/04
代理机构		代理人
主权项
地址

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