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发明名称
FREMGANGSMAATE OG ANLEGG FOR BEHANDLING AV RETURNERT BORESLAM.
摘要
申请公布号
NO164219(C)
申请公布日期
1990.09.12
申请号
NO19880001322
申请日期
1988.03.25
申请人
MELLGREN, STEINAR E.
发明人
MELLGREN, STEINAR E.
分类号
B01D37/00;B03B9/00;E21B21/06;(IPC1-7):B03B9/02
主分类号
B01D37/00
代理机构
代理人
主权项
地址
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