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发明名称
Improvements in and relating to apparatus for performing measurements within bores
摘要
申请公布号
GB964442(A)
申请公布日期
1964.07.22
申请号
GB19610036477
申请日期
1961.10.11
申请人
THE ENGLISH ELECTRIC COMPANY LIMITED
发明人
PURVIS RONALD DITCHBURN
分类号
B23Q17/24
主分类号
B23Q17/24
代理机构
代理人
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