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发明名称
Railway car truck
摘要
申请公布号
US2206487(A)
申请公布日期
1940.07.02
申请号
US19390262000
申请日期
1939.03.15
申请人
JOHN S. LEMLEY;WILLIAM N. NELSON
发明人
O'CONNOR EDWARD P.
分类号
B61F5/12
主分类号
B61F5/12
代理机构
代理人
主权项
地址
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