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经营范围
发明名称
SINTERING COLUME OF STEEL BALL
摘要
申请公布号
KR890000134(Y1)
申请公布日期
1989.03.06
申请号
KR19840005758U
申请日期
1984.06.19
申请人
DAE WOO HEAVY INDUSTRY CO.,LTD.
发明人
CHO, WAN-HO
分类号
B21K1/02;(IPC1-7):B21K1/02
主分类号
B21K1/02
代理机构
代理人
主权项
地址
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