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发明名称
APPARATUS FOR MEASURING THE DIAMETER OF CAVITIES
摘要
申请公布号
SU703655(A1)
申请公布日期
1979.12.15
申请号
SU19742074778
申请日期
1974.11.05
申请人
INST GORNOGO DELA SO AN SSSR
发明人
TREGUBOV BORIS G,SU;AKAEV MUKHTARIYATBEK S,SU;BALAGUR YAKOV A,SU
分类号
E21B47/08;(IPC1-7):E21B47/08
主分类号
E21B47/08
代理机构
代理人
主权项
地址
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