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经营范围
发明名称
Apparatus for ventilating railroad cars
摘要
申请公布号
US2338363(A)
申请公布日期
1944.01.04
申请号
US19410382868
申请日期
1941.03.12
申请人
THE SAFETY CAR HEATING AND LIGHTING COMPANY, INC.
发明人
STROBELL JOHN D.
分类号
B61D27/00
主分类号
B61D27/00
代理机构
代理人
主权项
地址
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