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经营范围
发明名称
A cutout gear of smoke and heat to be installed at a fire door
摘要
申请公布号
KR100526151(B1)
申请公布日期
2005.11.08
申请号
KR20030090668
申请日期
2003.12.12
申请人
发明人
分类号
E06B7/21;(IPC1-7):E06B7/21
主分类号
E06B7/21
代理机构
代理人
主权项
地址
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