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发明名称
Gearless speed change mechanism
摘要
申请公布号
US1871835(A)
申请公布日期
1932.08.16
申请号
US19300501484
申请日期
1930.12.11
申请人
BATCHELDER JAMES W
发明人
BATCHELDER JAMES W.
分类号
F16H13/06
主分类号
F16H13/06
代理机构
代理人
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地址
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