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发明名称
LADDER
摘要
申请公布号
KR900009118(Y1)
申请公布日期
1990.09.29
申请号
KR19870006957U
申请日期
1987.05.07
申请人
KIM BYUNG-GI
发明人
KIM BYUNG-GI
分类号
E06C7/08;(IPC1-7):E06C7/08
主分类号
E06C7/08
代理机构
代理人
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