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发明名称
Heating and ventilating apparatus
摘要
申请公布号
US2453382(A)
申请公布日期
1948.11.09
申请号
US19420442615
申请日期
1942.05.12
申请人
DRAVO CORPORATION
发明人
PIETSCH HERMAN A.
分类号
F24D5/00
主分类号
F24D5/00
代理机构
代理人
主权项
地址
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