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发明名称
Improvements in hydraulic variable speed gearing
摘要
申请公布号
GB348741(A)
申请公布日期
1931.05.21
申请号
GB19300006461
申请日期
1930.02.27
申请人
FREDERICK THOMAS DONES
发明人
分类号
F16H39/32
主分类号
F16H39/32
代理机构
代理人
主权项
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