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发明名称
Improvements relating to roller tracks
摘要
申请公布号
GB864045(A)
申请公布日期
1961.03.29
申请号
GB19590034336
申请日期
1959.10.09
申请人
HUETTENWERK OBERHAUSEN AKTIENGESELLSCHAFT
发明人
分类号
B21D43/08
主分类号
B21D43/08
代理机构
代理人
主权项
地址
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