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发明名称
Collapsible heater support for railroad car bunkers
摘要
申请公布号
US2558173(A)
申请公布日期
1951.06.26
申请号
US19480011806
申请日期
1948.02.27
申请人
DUFF NEHMAN R;HUTCHISON HARRY H
发明人
DUFF NEHMAN R.;HUTCHISON HARRY H.
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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