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发明名称
A WIDENING METHOD
摘要
申请公布号
KR100553125(B1)
申请公布日期
2006.02.22
申请号
KR19990005976
申请日期
1999.02.23
申请人
发明人
分类号
D04B9/20
主分类号
D04B9/20
代理机构
代理人
主权项
地址
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