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发明名称
STAND FOR RESEARCHING EARTH DIGGING PROCESS BY EXCAVATOR- DRAGLINE BUCKET
摘要
申请公布号
SU1751269(A1)
申请公布日期
1992.07.30
申请号
SU19904851660
申请日期
1990.07.13
申请人
DN INZH-STR INSTITUT
发明人
KHMARA LEONID A,SU;MARTYNENKO YURIJ V,SU
分类号
E02F3/48;E02F9/00
主分类号
E02F3/48
代理机构
代理人
主权项
地址
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