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发明名称
FREMGANGSMAATE VED SEMENTERING AV EN BROENN OG GASSHOLDIGE SEMENTTYPER FOR DETTE FORMAAL
摘要
申请公布号
NO793082(A)
申请公布日期
1980.11.11
申请号
NO19790003082
申请日期
1979.09.25
申请人
HALLIBURTON CO,
发明人
SUTTON, DAVID LEROY,
分类号
C04B22/00;C04B22/02;C04B22/12;C04B28/02;C09K8/42;C09K8/46;(IPC1-7):E21B/
主分类号
C04B22/00
代理机构
代理人
主权项
地址
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