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发明名称
TESTING ARRANGEMENT FOR WEAR TESTS OF LOCK THREADS
摘要
申请公布号
SU720132(A1)
申请公布日期
1980.03.05
申请号
SU19731910816
申请日期
1973.04.20
申请人
VNII RAZRABOTKI EKSPLUATATSII NEFTEPROMYSLOVYKH TRUB
发明人
SHTAMBURG VALENTIN F,SU;OLOVYANISHNIKOV VLADIMIR F,SU;STEPANOV ALEKSANDR F,SU;VOROBEV ALEKSEJ A,SU;LEVIN ZAKHARIJ ,SU
分类号
E21B41/00;E21B17/00;E21B17/02;G01N3/02;(IPC1-7):E21B17/00
主分类号
E21B41/00
代理机构
代理人
主权项
地址
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