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发明名称
FOLDABLE LADDER STRUCTURE
摘要
申请公布号
KR0114775(Y1)
申请公布日期
1998.04.17
申请号
KR19930012631U
申请日期
1993.07.07
申请人
SAMHWA NONFERROUS METALS IND. CO.,LTD
发明人
JUNG, BYUNG-HAE
分类号
E06C7/50;(IPC1-7):E06C7/50
主分类号
E06C7/50
代理机构
代理人
主权项
地址
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