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发明名称
Locking system
摘要
申请公布号
AU707195(B2)
申请公布日期
1999.07.08
申请号
AU19960067274
申请日期
1996.08.27
申请人
DHT TECHNOLOGIES LTD
发明人
GAVIN THOMAS MCLEOD
分类号
E21B23/00;E21B23/03;(IPC1-7):E21B23/00
主分类号
E21B23/00
代理机构
代理人
主权项
地址
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