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发明名称
Tauchvorrichtung, insbesondere fuer Arbeiten an OElbohrungen
摘要
申请公布号
DE1290105(B)
申请公布日期
1969.03.06
申请号
DE196601S5194
申请日期
1966.08.04
申请人
SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ N. V.
发明人
JOHN CHATE, FREDERICK;THEODOOR KAPTEYN, STEVEN AREND
分类号
B63C11/40;E21B29/04;E21B33/076;E21B41/06
主分类号
B63C11/40
代理机构
代理人
主权项
地址
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