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发明名称
A SANDWICH PANEL TYPE OF SPRING APPARATUS AND CUSHION FURNITURE USING THE SPRING APPARATUS
摘要
申请公布号
KR20090049657(A)
申请公布日期
2009.05.19
申请号
KR20070115832
申请日期
2007.11.14
申请人
JEONG, KWANG BOK
发明人
JEONG, KWANG BOK
分类号
A47C23/00;A47C17/00
主分类号
A47C23/00
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