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发明名称
Improvements in tools for spinning sheet metal articles
摘要
申请公布号
GB340597(A)
申请公布日期
1931.01.02
申请号
GB19290029873
申请日期
1929.10.02
申请人
GUSTAF ADOLF JUHLIN;ASSOCIATED ELECTRICAL INDUSTRIES LIMITED
发明人
分类号
B21D22/18
主分类号
B21D22/18
代理机构
代理人
主权项
地址
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