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发明名称
SAFETY APPARATUS FOR FIREPROOF SHUTTER
摘要
申请公布号
KR20090050185(A)
申请公布日期
2009.05.20
申请号
KR20070116486
申请日期
2007.11.15
申请人
CHANG, JONG BOK
发明人
CHANG, JONG BOK
分类号
E06B9/17;A62C2/06;E05F15/20;E06B9/74
主分类号
E06B9/17
代理机构
代理人
主权项
地址
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