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发明名称
FREMGANGSMAATE FOR AVVANNING AV BORESLAM.
摘要
申请公布号
NO144819(B)
申请公布日期
1981.08.10
申请号
NO19770002965
申请日期
1977.08.26
申请人
SOC NAT ELF AQUITAINE (PRODUCTION),
发明人
TRAMIER, BERNARD,;GUILLERME, MICHEL,
分类号
B01D21/01;(IPC1-7):B01D21/01
主分类号
B01D21/01
代理机构
代理人
主权项
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