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发明名称
MEASURING DIMENSIONS OF TUBES
摘要
申请公布号
GB8519983(D0)
申请公布日期
1985.09.18
申请号
GB19850019983
申请日期
1984.12.10
申请人
HANSON RESEARCH LTD
发明人
分类号
E21B47/08;G01B7/13;G01B7/287
主分类号
E21B47/08
代理机构
代理人
主权项
地址
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