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经营范围
发明名称
Improvements in hydraulic apparatus for transforming an applied force into an hydraulic pressure difference
摘要
申请公布号
GB885785(A)
申请公布日期
1961.12.28
申请号
GB19590008207
申请日期
1959.03.10
申请人
RENE LEDUC
发明人
分类号
F15B21/00
主分类号
F15B21/00
代理机构
代理人
主权项
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