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发明名称
Variable speed device
摘要
申请公布号
US2117485(A)
申请公布日期
1938.05.17
申请号
US19350044594
申请日期
1935.10.11
申请人
LEWELLEN DARCY E;LEWELLEN EMMONS F
发明人
LEWELLEN DARCY E.;LEWELLEN EMMONS F.
分类号
F16H9/12
主分类号
F16H9/12
代理机构
代理人
主权项
地址
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