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经营范围
发明名称
Skid rim for rubber tire tractors and implements
摘要
申请公布号
US2172990(A)
申请公布日期
1939.09.12
申请号
US19380193891
申请日期
1938.03.04
申请人
FRANK SAWER
发明人
SAWER FRANK
分类号
B60B15/00
主分类号
B60B15/00
代理机构
代理人
主权项
地址
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