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发明名称
Improvements in or relating to sheet metal working machines
摘要
申请公布号
GB780165(A)
申请公布日期
1957.07.31
申请号
GB19540010491
申请日期
1954.04.09
申请人
JOHN NEWSOME
发明人
分类号
B30B1/40
主分类号
B30B1/40
代理机构
代理人
主权项
地址
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