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经营范围
发明名称
SANDING SPONGE WITH HIGH TEAR STRENGTH BACKING LAYER
摘要
申请公布号
KR20020060994(A)
申请公布日期
2002.07.19
申请号
KR1020027007359
申请日期
2002.06.08
申请人
发明人
分类号
B24D3/32
主分类号
B24D3/32
代理机构
代理人
主权项
地址
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