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发明名称
Improvements in machines for the die-forming of metallic sheet elements
摘要
申请公布号
GB774562(A)
申请公布日期
1957.05.08
申请号
GB19550001063
申请日期
1955.01.13
申请人
COSTRUZIONI MECCANICHE BENELLI GAVAZZI SOC. A REP. LIM.
发明人
分类号
B21D43/05
主分类号
B21D43/05
代理机构
代理人
主权项
地址
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