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发明名称
BROENNSIRKULERENDE VAESKE, EN IKKE-SIRKULERENDE VAESKE ELLEREN BOREVAESKE FOR ANVENDELSE VED BORING AV BROENNER.
摘要
申请公布号
NO163058(B)
申请公布日期
1989.12.18
申请号
NO19850000872
申请日期
1985.03.05
申请人
SBP CORP
发明人
WEIBEL MICHAEL K
分类号
C09K;E21B33/138;(IPC1-7):C09K7/02;C09K7/06
主分类号
C09K
代理机构
代理人
主权项
地址
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