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发明名称
Tractor
摘要
申请公布号
US1945169(A)
申请公布日期
1934.01.30
申请号
US19330667525
申请日期
1933.04.24
申请人
CATERPILLAR TRACTOR CO.
发明人
WALKER GERALD M.
分类号
B60N2/38
主分类号
B60N2/38
代理机构
代理人
主权项
地址
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