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经营范围
发明名称
Variable speed transmission
摘要
申请公布号
US2584201(A)
申请公布日期
1952.02.05
申请号
US19490069456
申请日期
1949.01.06
申请人
HANSEN FRED G
发明人
HANSEN FRED G.
分类号
F16H29/04
主分类号
F16H29/04
代理机构
代理人
主权项
地址
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