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发明名称
VORRICHTUNG ZUM WALZEN RINGFOERMIGER WERKSTUECKE,INSBESONDERE VON WAELZLAGERRINGEN
摘要
申请公布号
DD135041(B1)
申请公布日期
1981.12.30
申请号
DD19780204407
申请日期
1978.03.27
申请人
发明人
分类号
B21H1/12
主分类号
B21H1/12
代理机构
代理人
主权项
地址
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