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发明名称
Improvements in or relating to the manufacture of spun metal pulleys
摘要
申请公布号
GB625768(A)
申请公布日期
1949.07.04
申请号
GB19470006918
申请日期
1947.03.12
申请人
THE SPUN STEEL CORPORATION
发明人
分类号
B21D53/26
主分类号
B21D53/26
代理机构
代理人
主权项
地址
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