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发明名称
KRENGINGSMAALER.
摘要
申请公布号
NO913514(A)
申请公布日期
1992.03.09
申请号
NO19910003514
申请日期
1991.09.06
申请人
ANDERSON, CHARLES ABERNETHY
发明人
ANDERSON, CHARLES ABERNETHY
分类号
E21B47/022;G01C9/14;(IPC1-7):G01C9/14
主分类号
E21B47/022
代理机构
代理人
主权项
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