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经营范围
发明名称
Railway car
摘要
申请公布号
US1921106(A)
申请公布日期
1933.08.08
申请号
US19290368025
申请日期
1929.06.03
申请人
CHICAGO-CLEVELAND CAR ROOFING COMPANY
发明人
SWANSON EARL R.
分类号
B61D47/00
主分类号
B61D47/00
代理机构
代理人
主权项
地址
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