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发明名称
COLLAPSIBLE LADDER FOR EMERGENCY
摘要
申请公布号
KR200141976(Y1)
申请公布日期
1999.06.01
申请号
KR19960019553U
申请日期
1996.07.01
申请人
KANG, BOK-YONG
发明人
KANG, BOK-YONG
分类号
E06B1/38
主分类号
E06B1/38
代理机构
代理人
主权项
地址
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