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发明名称
Traction-wheel construction
摘要
申请公布号
US1803427(A)
申请公布日期
1931.05.05
申请号
US19290394771
申请日期
1929.09.24
申请人
FRENCH & HECHT, INCORPORATED
发明人
EINFELDT ERNEST E.
分类号
B60B15/02
主分类号
B60B15/02
代理机构
代理人
主权项
地址
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