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经营范围
发明名称
Overdrive gearing
摘要
申请公布号
US2139350(A)
申请公布日期
1938.12.06
申请号
US19340717731
申请日期
1934.03.28
申请人
BARNES WILLIAM B
发明人
BARNES WILLIAM B.
分类号
F16D45/00
主分类号
F16D45/00
代理机构
代理人
主权项
地址
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