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经营范围
发明名称
Variable speed transmission
摘要
申请公布号
US2301451(A)
申请公布日期
1942.11.10
申请号
US19400370045
申请日期
1940.12.13
申请人
POLLARD WILLARD L
发明人
POLLARD WILLARD L.
分类号
F16H47/08
主分类号
F16H47/08
代理机构
代理人
主权项
地址
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