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发明名称
A new or improved machine for making washers or the like
摘要
申请公布号
GB533279(A)
申请公布日期
1941.02.10
申请号
GB19390028807
申请日期
1939.10.27
申请人
GUEST, KEEN & NETTLEFOLDS, LIMITED;JOHN ALBERT CHAPPUIS
发明人
分类号
B21D53/20
主分类号
B21D53/20
代理机构
代理人
主权项
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