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经营范围
发明名称
Heating and ventilating apparatus
摘要
申请公布号
US2327663(A)
申请公布日期
1943.08.24
申请号
US19400368763
申请日期
1940.12.06
申请人
THE HERMAN NELSON CORPORATION
发明人
OTIS GERALD E.
分类号
F28D1/02
主分类号
F28D1/02
代理机构
代理人
主权项
地址
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