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发明名称
AIR VENT DEVICE FOR HOT WATER BOILER
摘要
申请公布号
KR810000930(Y1)
申请公布日期
1981.08.18
申请号
KR19800001426U
申请日期
1980.03.07
申请人
LEE YONG HO
发明人
HUH SUNG YUL
分类号
F24D3/00;F24H9/00;(IPC1-7):F24H9/00
主分类号
F24D3/00
代理机构
代理人
主权项
地址
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