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发明名称
Improvements relating to the manufacture of bearings, axle-boxes and the like
摘要
申请公布号
GB503981(A)
申请公布日期
1939.04.18
申请号
GB19370034110
申请日期
1937.12.09
申请人
RUHRSTAHL AKTIENGESELLSCHAFT
发明人
分类号
B22D19/08
主分类号
B22D19/08
代理机构
代理人
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