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发明名称
Improvements relating to rotary swaging machines
摘要
申请公布号
GB700421(A)
申请公布日期
1953.12.02
申请号
GB19510017128
申请日期
1951.07.19
申请人
SAMUEL SMITH
发明人
分类号
B21J7/16
主分类号
B21J7/16
代理机构
代理人
主权项
地址
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