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发明名称
VORRICHTUNG ZUM LAGERN UND HANDHABEN VON BOHRROHREN ZWISCHEN WAAGERECHTEN UND SENKRECHTEN LAGE.
摘要
申请公布号
DE3787631(D1)
申请公布日期
1993.11.04
申请号
DE19873787631
申请日期
1987.12.10
申请人
STRACHAN & HENSHAW LTD., BRISTOL, AVON, GB
发明人
SIMPSON, BRIAN KIM, CONGRESBURY BRISTOL BS19 7DR, GB
分类号
E21B15/00;E21B19/15;E21B19/16;(IPC1-7):E21B19/15
主分类号
E21B15/00
代理机构
代理人
主权项
地址
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