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经营范围
发明名称
STEPPING UNDERCARRIAGE OF MINING MACHINES
摘要
申请公布号
SU692948(A1)
申请公布日期
1979.10.25
申请号
SU19721831601
申请日期
1972.09.28
申请人
GNI PI UGOLNOJ PROMY /UKR NIIPROEKT/
发明人
SITKAREV GENNADIJ T,SU;POPOV ALEKSANDR A,SU
分类号
E02F9/04;(IPC1-7):E02F9/04
主分类号
E02F9/04
代理机构
代理人
主权项
地址
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