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发明名称
Thermostatically controlled heating system for railway cars
摘要
申请公布号
US2181436(A)
申请公布日期
1939.11.28
申请号
US19370149133
申请日期
1937.06.19
申请人
THE PENNSYLVANIA RAILROAD COMPANY
发明人
MADDEN WILLIAM J.
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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