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发明名称
Speed change mechanism
摘要
申请公布号
US2129139(A)
申请公布日期
1938.09.06
申请号
US19360101718
申请日期
1936.09.21
申请人
KLEMA FRANK M
发明人
KLEMA FRANK M.
分类号
F16H3/68
主分类号
F16H3/68
代理机构
代理人
主权项
地址
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