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发明名称
PROCEDIMENTO PER L ATTACCO ACIDOLENTO DEI MATERIALI CARBONACEI CONTENUTI IN UN POZZO O INTORNO AL POZZO
摘要
申请公布号
IT7869354(D0)
申请公布日期
1978.10.12
申请号
IT19780069354
申请日期
1978.10.12
申请人
SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V.
发明人
分类号
C09K8/72;E21B43/16
主分类号
C09K8/72
代理机构
代理人
主权项
地址
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