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发明名称
MUD PREPARING DEVICE
摘要
申请公布号
SU599050(A1)
申请公布日期
1978.03.25
申请号
SU19752106317
申请日期
1975.02.17
申请人
BASHKIRSKIJ GNI PI NEFTYANOJ PROMYSHLENNOSTI
发明人
BLAZHEVICH VALENTIN ALEKSANDROVICH,SU;VESELKOV PAVEL SERGEEVICH,SU;UMRIKHINA EKATERINA NIKOLAEVNA,SU
分类号
E21B33/13;B28C5/16;E21B21/02;E21B33/138;(IPC1-7):E21B33/13
主分类号
E21B33/13
代理机构
代理人
主权项
地址
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