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发明名称
Speed-changing mechanism
摘要
申请公布号
US1788415(A)
申请公布日期
1931.01.13
申请号
US19260080444
申请日期
1926.01.11
申请人
THE WARFORD CORPORATION
发明人
UTZ JOHN G.
分类号
F16H3/26
主分类号
F16H3/26
代理机构
代理人
主权项
地址
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