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发明名称
Railway freight car construction
摘要
申请公布号
US2453322(A)
申请公布日期
1948.11.09
申请号
US19470775162
申请日期
1947.09.20
申请人
JAECKLE ALBERT E
发明人
JAECKLE ALBERT E.
分类号
B61D17/04
主分类号
B61D17/04
代理机构
代理人
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