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发明名称
Variable speed driving means
摘要
申请公布号
US2281384(A)
申请公布日期
1942.04.28
申请号
US19390257598
申请日期
1939.02.21
申请人
ROSS EDWARD T
发明人
ROSS EDWARD T.
分类号
F16H3/72
主分类号
F16H3/72
代理机构
代理人
主权项
地址
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