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经营范围
发明名称
Variable speed transmission
摘要
申请公布号
US1954767(A)
申请公布日期
1934.04.10
申请号
US19330651791
申请日期
1933.01.14
申请人
SAMUEL S. SMALKIN
发明人
FOSTER EDWARD J.
分类号
F16H29/22
主分类号
F16H29/22
代理机构
代理人
主权项
地址
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