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经营范围
发明名称
Improvement of hydraulic driving gear for valves
摘要
申请公布号
GB587200(A)
申请公布日期
1947.04.17
申请号
GB19440023010
申请日期
1944.11.20
申请人
RICHARD FUCHS
发明人
分类号
F16K31/122
主分类号
F16K31/122
代理机构
代理人
主权项
地址
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