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发明名称
Traction devices
摘要
申请公布号
US2966932(A)
申请公布日期
1961.01.03
申请号
US19590859435
申请日期
1959.12.14
申请人
WEIER JACOB J
发明人
WEIER JACOB J.
分类号
B60B15/26
主分类号
B60B15/26
代理机构
代理人
主权项
地址
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