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发明名称
VALVE DEVICE, ESPECIALLY A COMBINED PROPORTIONAL-DIRECTIONAL CONTROL VALVE
摘要
申请公布号
KR100629553(B1)
申请公布日期
2006.12.19
申请号
KR19980709835
申请日期
1998.12.02
申请人
发明人
分类号
F15B13/02
主分类号
F15B13/02
代理机构
代理人
主权项
地址
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