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经营范围
发明名称
Air-heating system
摘要
申请公布号
US2482735(A)
申请公布日期
1949.09.20
申请号
US19470752340
申请日期
1947.06.04
申请人
WESTINGHOUSE ELECTRIC CORPORATION
发明人
RITTER IRVING S.;MORLEY FRANK W.
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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