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发明名称
Air heating method
摘要
申请公布号
US2714378(A)
申请公布日期
1955.08.02
申请号
US19510250169
申请日期
1951.10.06
申请人
PORTA PRODUCTS CORPORATION
发明人
BENEDEK ELEK K.
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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