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经营范围
发明名称
Improvements in die sets
摘要
申请公布号
GB604809(A)
申请公布日期
1948.07.09
申请号
GB19450032811
申请日期
1945.12.04
申请人
RAYMOND HUMPHREYS MAJOR
发明人
分类号
B21D37/10
主分类号
B21D37/10
代理机构
代理人
主权项
地址
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