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经营范围
发明名称
FREMGANGSMAATE OG JEKK-ANORDNING TIL LOEFTING AV EN STORT SETT VERTIKALT LOEPENDE YTTERDEL I FORHOLD TIL EN INDRE BAEREDEL.
摘要
申请公布号
NO157745(C)
申请公布日期
1988.05.18
申请号
NO19820000455
申请日期
1982.02.16
申请人
VARCO INTERNATIONAL INC.
发明人
BOYADJIEFF, GEORGE I.
分类号
B66F3/46;E02B17/08;(IPC1-7):E02B17/04
主分类号
B66F3/46
代理机构
代理人
主权项
地址
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