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发明名称
Brönnpakning
摘要
申请公布号
NO993747(D0)
申请公布日期
1999.08.03
申请号
NO19990003747
申请日期
1999.08.03
申请人
PES INC
发明人
ARIZMENDI, NAPOLEON;TIPS, TIMOTHY R.
分类号
E21B33/12;E21B33/128;(IPC1-7):E21B
主分类号
E21B33/12
代理机构
代理人
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