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发明名称
Roller wheel
摘要
申请公布号
US2237921(A)
申请公布日期
1941.04.08
申请号
US19380248892
申请日期
1938.12.31
申请人
INTERNATIONAL HARVESTER COMPANY
发明人
BAKER DAVID B.;ROGERS CLIFFORD R.;BECHMAN WILLIAM O.
分类号
B62D55/15
主分类号
B62D55/15
代理机构
代理人
主权项
地址
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