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发明名称
Improvements in and relating to swaging hammers
摘要
申请公布号
GB400402(A)
申请公布日期
1933.10.26
申请号
GB19320026409
申请日期
1932.09.22
申请人
BECHE & GROHS, G.M.B.H.
发明人
分类号
B21J7/34
主分类号
B21J7/34
代理机构
代理人
主权项
地址
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