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发明名称
VENTILATING FIREPROOF DOORS
摘要
申请公布号
KR200157474(Y1)
申请公布日期
1999.09.15
申请号
KR19970022723U
申请日期
1997.08.22
申请人
DONG YOUNG INDUSTRY CO.,LTD
发明人
JO, HYEON-SIK
分类号
E06B5/16;E06B7/02;(IPC1-7):E06B5/16
主分类号
E06B5/16
代理机构
代理人
主权项
地址
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