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经营范围
发明名称
Chain traction device for rolling or drawing of bars or tubes
摘要
申请公布号
EP1005928(A3)
申请公布日期
2001.07.04
申请号
EP19990250416
申请日期
1999.11.29
申请人
SMS DEMAG AG
发明人
BLANCK, HANS-GEORG
分类号
B21C1/30;(IPC1-7):B21C1/30;B65H51/14
主分类号
B21C1/30
代理机构
代理人
主权项
地址
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