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经营范围
发明名称
Pilot operated control valve
摘要
申请公布号
GB2079983(A)
申请公布日期
1982.01.27
申请号
GB19810020301
申请日期
1981.07.01
申请人
KJAERGAARD KNUD
发明人
分类号
F16K31/383;(IPC1-7):F16K31/38
主分类号
F16K31/383
代理机构
代理人
主权项
地址
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