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发明名称
Gear shifting mechanism
摘要
申请公布号
US1849882(A)
申请公布日期
1932.03.15
申请号
US19290384033
申请日期
1929.08.07
申请人
PEARSON FREDERICK A
发明人
PEARSON FREDERICK A.
分类号
F16H61/02
主分类号
F16H61/02
代理机构
代理人
主权项
地址
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