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发明名称
Variable-speed transmission device
摘要
申请公布号
US2417914(A)
申请公布日期
1947.03.25
申请号
US19440529346
申请日期
1944.04.03
申请人
COSTELLO FRANCIS G
发明人
COSTELLO FRANCIS G.
分类号
F16H9/16
主分类号
F16H9/16
代理机构
代理人
主权项
地址
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