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发明名称
Streetcar heating system
摘要
申请公布号
US2232587(A)
申请公布日期
1941.02.18
申请号
US19380231705
申请日期
1938.09.26
申请人
MINNEAPOLIS-HONEYWELL REGULATOR COMPANY
发明人
BRANDT FREDERICK C.
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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