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经营范围
发明名称
TUBE ROLLING
摘要
申请公布号
GB2077165(B)
申请公布日期
1983.09.01
申请号
GB19810017577
申请日期
1981.06.09
申请人
MANNESMANN AG
发明人
分类号
B21J5/06;B21B17/02;B21C1/26;(IPC1-7):B21B19/06
主分类号
B21J5/06
代理机构
代理人
主权项
地址
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