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发明名称
Gas-fired forced draft and air flow unit air heater
摘要
申请公布号
US2519496(A)
申请公布日期
1950.08.22
申请号
US19470730814
申请日期
1947.02.25
申请人
NORMAN PRODUCTS COMPANY
发明人
JR. EDWARD A. NORMAN,
分类号
F24H3/08
主分类号
F24H3/08
代理机构
代理人
主权项
地址
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