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发明名称
Improvements in, and in methods of making, wire drawing dies
摘要
申请公布号
GB604591(A)
申请公布日期
1948.07.07
申请号
GB19450005606
申请日期
1945.03.06
申请人
CALLITE TUNGSTEN CORPORATION
发明人
分类号
B21C3/18
主分类号
B21C3/18
代理机构
代理人
主权项
地址
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