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经营范围
发明名称
Hydraulic driving, braking, and freewheeling mechanism for vehicles
摘要
申请公布号
US2421013(A)
申请公布日期
1947.05.27
申请号
US19420439680
申请日期
1942.04.20
申请人
CORNWELL RALPH E
发明人
CORNWELL RALPH E.
分类号
B60K17/10
主分类号
B60K17/10
代理机构
代理人
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地址
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