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发明名称
Needle wire
摘要
申请公布号
US2079907(A)
申请公布日期
1937.05.11
申请号
US19350020990
申请日期
1935.05.11
申请人
CRUCIBLE STEEL COMPANY OF AMERICA
发明人
HAWKRIDGE LESLIE D.
分类号
B21G1/04;C22C38/00;C22C38/12
主分类号
B21G1/04
代理机构
代理人
主权项
地址
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