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发明名称
ROLLER-CUTTER CALIBRATOR
摘要
申请公布号
SU1684462(A1)
申请公布日期
1991.10.15
申请号
SU19894643814
申请日期
1989.01.31
申请人
SREDNEAZIATSKIJ NII GEOLOGII MINERALNOGO SYRYA
发明人
ABDUMAZHITOV ABDUKHAMID A,SU;KHANBABAEV AZAD A,SU;ABDULLAEV RASHID,SU
分类号
E21B10/30;E21B21/00
主分类号
E21B10/30
代理机构
代理人
主权项
地址
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