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发明名称
RAILWAY CAR ROOF
摘要
申请公布号
CA389193(A)
申请公布日期
1940.06.04
申请号
CAD389193
申请日期
申请人
CHICAGO-HUTCHINS CORPORATION;STANDARD RAILWAY EQUIPMENT MANUFACTURING COMPANY
发明人
WILLAIM D. THOMPSON;DAVID W. HAWKSWORTH
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