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发明名称
摘要
申请公布号
KR200353335(Y1)
申请公布日期
2004.06.14
申请号
KR20040007851U
申请日期
2004.03.22
申请人
发明人
分类号
B21B1/12
主分类号
B21B1/12
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代理人
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