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发明名称
Wire drawing machine
摘要
申请公布号
US2226016(A)
申请公布日期
1940.12.24
申请号
US19380234086
申请日期
1938.10.10
申请人
NATIONAL STANDARD COMPANY
发明人
PIERCE ROBERT C.
分类号
B21C9/00
主分类号
B21C9/00
代理机构
代理人
主权项
地址
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