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经营范围
发明名称
Improvements in or relating to wire drawing apparatus and the like
摘要
申请公布号
GB397566(A)
申请公布日期
1933.08.31
申请号
GB19320006773
申请日期
1932.03.07
申请人
HAROLD DYSON
发明人
分类号
B21C3/12
主分类号
B21C3/12
代理机构
代理人
主权项
地址
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