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发明名称
SCREW ROLLING MACHINES
摘要
申请公布号
KR920006135(Y1)
申请公布日期
1992.09.17
申请号
KR19900017967U
申请日期
1990.11.20
申请人
LEE, JAE - WON
发明人
LEE, JAE - WON
分类号
B21H9/02;(IPC1-7):B21H9/02
主分类号
B21H9/02
代理机构
代理人
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地址
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