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发明名称
EMERGENCY ESCAPE STAIRS
摘要
申请公布号
KR20060037990(A)
申请公布日期
2006.05.03
申请号
KR20040087105
申请日期
2004.10.29
申请人
YUN, JOO YEON
发明人
YUN, JOO YEON
分类号
E04F11/02;E04F11/04
主分类号
E04F11/02
代理机构
代理人
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地址
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