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发明名称
ARC-SHAPED CONCRETE FOUNDATION
摘要
申请公布号
KR780000853(Y1)
申请公布日期
1978.08.31
申请号
KR19770002587U
申请日期
1977.04.15
申请人
WON YONG SUN
发明人
WON YONG SUN
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主分类号
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代理人
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