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发明名称
STEEL TUBE FABRICATION APPARATUS
摘要
申请公布号
KR20120005302(U)
申请公布日期
2012.07.20
申请号
KR20110000318U
申请日期
2011.01.12
申请人
发明人
分类号
B21D19/04;B21D39/12;B21D41/02
主分类号
B21D19/04
代理机构
代理人
主权项
地址
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