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发明名称
Change-speed transmission
摘要
申请公布号
US2692516(A)
申请公布日期
1954.10.26
申请号
US19510258729
申请日期
1951.11.28
申请人
O'LEARY CHARLES M
发明人
O'LEARY CHARLES M.
分类号
F16H37/00
主分类号
F16H37/00
代理机构
代理人
主权项
地址
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