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发明名称
Car underframe
摘要
申请公布号
US2180799(A)
申请公布日期
1939.11.21
申请号
US19380197647
申请日期
1938.03.23
申请人
AMERICAN STEEL FOUNDRIES
发明人
COTTRELL ROBERT B.;FLESCH JOHN E.
分类号
B61F1/02
主分类号
B61F1/02
代理机构
代理人
主权项
地址
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