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发明名称
摘要
申请公布号
FR2095881(A5)
申请公布日期
1972.02.11
申请号
FR19710020170
申请日期
1971.06.03
申请人
SHELL INTERNA RESE MAAT
发明人
分类号
E02D3/10;E02D5/22;E02D5/54;E02D5/74;E02D27/52;(IPC1-7):E02D5/00;E02B17/00
主分类号
E02D3/10
代理机构
代理人
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地址
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