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发明名称
IGNITION HEAD
摘要
申请公布号
JPH03156092(A)
申请公布日期
1991.07.04
申请号
JP19900228539
申请日期
1990.08.31
申请人
HALLIBURTON CO
发明人
JIYON II ABUIRA;KEBIN AARU JIYOOJI;DEIBUITSUDO ESU UETSUSEN
分类号
E21B43/11;E21B43/116;E21B43/1185;E21B43/263
主分类号
E21B43/11
代理机构
代理人
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