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经营范围
发明名称
Hydraulic control valve
摘要
申请公布号
GB797597(A)
申请公布日期
1958.07.02
申请号
GB19550014222
申请日期
1955.05.17
申请人
SIEGFRIED PROTTER
发明人
分类号
F15B13/06;F16K35/14
主分类号
F15B13/06
代理机构
代理人
主权项
地址
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