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发明名称
PRESSURE MECHANISM OF EXCAVATOR WORKING MEMBER
摘要
申请公布号
SU617540(A1)
申请公布日期
1978.07.30
申请号
SU19772459229
申请日期
1977.03.09
申请人
INST GORNOGO DELA MINISTERSTV
发明人
PETUKHOV SERGEJ B,SU;FADDEEV BORIS V,SU
分类号
E02F3/42;(IPC1-7):E02F3/42
主分类号
E02F3/42
代理机构
代理人
主权项
地址
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