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发明名称
DISC-TYPE WORK-PERFORMING MEMBER OF A DRIFTING CUTTER-LOADER
摘要
申请公布号
SU587249(A1)
申请公布日期
1978.01.05
申请号
SU19752119091
申请日期
1975.04.01
申请人
VNI PK UGOLNYJ INSTITUT
发明人
POLOVNEV GERTRUD P,SU;BARULIN ANATOLIJ V,SU;MARKMAN LEV D,SU;KOZLOV VALERIJ F,SU
分类号
E21C27/24;(IPC1-7):E21C27/24
主分类号
E21C27/24
代理机构
代理人
主权项
地址
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