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发明名称
RAILWAY CAR SIDE FRAME
摘要
申请公布号
CA405248(A)
申请公布日期
1942.06.09
申请号
CAD405248
申请日期
申请人
AMERICAN STEEL FOUNDRIES
发明人
ROBERT B. COTTRELL
分类号
主分类号
代理机构
代理人
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地址
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