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经营范围
发明名称
BENDING APPARATUS FOR TUBES, ETC.
摘要
申请公布号
CA425541(A)
申请公布日期
1945.02.13
申请号
CAD425541
申请日期
申请人
BLACKBURN AND AIRCRAFT LIMITED
发明人
DAVID BRUCE NIVISON
分类号
主分类号
代理机构
代理人
主权项
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