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发明名称
Tube rolling device
摘要
申请公布号
HK1106392(A2)
申请公布日期
2008.03.07
申请号
HK20070112440
申请日期
2007.11.14
申请人
H.K. STEEL LIMITED
发明人
WONG CHI WING
分类号
B21D
主分类号
B21D
代理机构
代理人
主权项
地址
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