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发明名称
HYDRAULIC CIRCUIT FOR EXCAVATOR SHOVEL
摘要
申请公布号
KR1019870000507(B1)
申请公布日期
1987.03.12
申请号
KR1019820003694
申请日期
1982.08.17
申请人
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
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