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发明名称
CHIMNEY VENTILATOR OPERATION INDICATOR
摘要
申请公布号
KR800001145(Y1)
申请公布日期
1980.07.29
申请号
KR19790001123U
申请日期
1979.02.28
申请人
CHUNG JAE SEON
发明人
CHUNG JAE SEON
分类号
F24F7/00;(IPC1-7):F24F7/00
主分类号
F24F7/00
代理机构
代理人
主权项
地址
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