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发明名称
SAFETY DEVICE FOR OIL PRESSURE SYSTEM IN EXCAVATOR
摘要
申请公布号
KR920006038(Y1)
申请公布日期
1992.08.29
申请号
KR19890007476U
申请日期
1989.05.31
申请人
SAMSUNG HEAVY IND. CO., LTD.
发明人
HONG, MYONG - SON
分类号
E02F9/20;(IPC1-7):E02F9/20
主分类号
E02F9/20
代理机构
代理人
主权项
地址
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