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发明名称
APPARATUS FOR PUNCHING AND CUTTING U-TYPE BENDING STEEL MATERIAL
摘要
申请公布号
KR1019940011509(B1)
申请公布日期
1994.12.20
申请号
KR1019920011986
申请日期
1992.07.06
申请人
发明人
分类号
主分类号
代理机构
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