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经营范围
发明名称
Ceiling air diffuser
摘要
申请公布号
US3031944(A)
申请公布日期
1962.05.01
申请号
US19590800235
申请日期
1959.03.18
申请人
THERMOTANK, INC.
发明人
DAVIDSON CHARLES ANDREW
分类号
E04B9/02;E04B9/30;F24D5/00;F24F13/072
主分类号
E04B9/02
代理机构
代理人
主权项
地址
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