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发明名称
An improved tool for cutting sheet metal
摘要
申请公布号
GB668814(A)
申请公布日期
1952.03.19
申请号
GB19500025092
申请日期
1950.10.13
申请人
H. H. ROBERTSON COMPANY
发明人
分类号
B23D31/00
主分类号
B23D31/00
代理机构
代理人
主权项
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