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发明名称
FREMGANGSMAATE OG APPARAT FOR TILKOPLING AV PRODUKSJONSLEDNINGER
摘要
申请公布号
NO780639(A)
申请公布日期
1978.08.29
申请号
NO19780000639
申请日期
1978.02.24
申请人
FMC CORPORATION,
发明人
CUIPER, GLEN HOWARD,;AMES, THOMAS JOSEPH,
分类号
E21B43/013;F16L1/26;(IPC1-7):E21B/
主分类号
E21B43/013
代理机构
代理人
主权项
地址
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