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经营范围
发明名称
Improvements connected with swaging machines
摘要
申请公布号
GB722765(A)
申请公布日期
1955.01.26
申请号
GB19520024298
申请日期
1953.09.11
申请人
SAMUEL SMITH
发明人
分类号
B21J13/12
主分类号
B21J13/12
代理机构
代理人
主权项
地址
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