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经营范围
发明名称
A ventilation unit
摘要
申请公布号
SG46206(A1)
申请公布日期
1998.02.20
申请号
SG19960000614
申请日期
1996.01.30
申请人
SINGAPORE PRODUCTIVITY AND STANDARDS BOARD
发明人
SUN HENRY
分类号
F24F7/00;F24F13/02;F24F13/06;(IPC1-7):F24F13/06
主分类号
F24F7/00
代理机构
代理人
主权项
地址
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