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经营范围
发明名称
HYDRAULISK DRIVANORDNING.
摘要
申请公布号
NO800471(A)
申请公布日期
1980.08.25
申请号
NO19800000471
申请日期
1980.02.21
申请人
EXXON PRODUCTION RESEARCH CO,
发明人
BURKHARDT, JOSEPH AVERY,;HANSON, HARRY ROBERT,;HARKRIDER, BOBBY MICHAEL,;CHILDERS, THOMAS WILSON,
分类号
E21B34/00;E21B34/04;E21B34/16;F16J15/48;(IPC1-7):F15B/
主分类号
E21B34/00
代理机构
代理人
主权项
地址
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