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发明名称
WELLHEAD SETUP EQUIPMENT
摘要
申请公布号
SU1659625(A1)
申请公布日期
1991.06.30
申请号
SU19894721423
申请日期
1989.07.25
申请人
VOENIZIROVANNAYA CHAST PO PREDUPREZHDENIYU VOZNIKNOVENIYA PO LIKVIDATSII OTKRYTYKH GAZOVYKH NEFTYANYKH FONTANOV SEVERO-VOSTOCHNOGO PROMYSHLENNOGO RAJONA
发明人
PERSHIN MIKHAIL N,SU
分类号
E21B33/03
主分类号
E21B33/03
代理机构
代理人
主权项
地址
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