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发明名称
ALAT PENGONTROL FLUIDA PRODUKSI UNTUK SUMUR-SUMUR MINYAK/GAS
摘要
申请公布号
ID24246(A)
申请公布日期
2000.07.13
申请号
ID20000000728
申请日期
1998.09.01
申请人
DRESSER INDUSTRIES, INC.
发明人
JOHN ANDREW BARTON
分类号
E21B43/12;E21B33/1295;E21B34/06;E21B34/10;(IPC1-7):C07D471/04;A61K31/435;A61K31/495;C07D491/048;C07D487/04;C07D495/04;C07D213/74;C07D213/75;C07D213/26;C07D213/70;C07D237/20;C07D241/18
主分类号
E21B43/12
代理机构
代理人
主权项
地址
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