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发明名称
Apparatus for controlling the passage of wire through a sand pan
摘要
申请公布号
US2531132(A)
申请公布日期
1950.11.21
申请号
US19490088922
申请日期
1949.04.22
申请人
JOHNSON STEEL & WIRE COMPANY, INC.
发明人
JOHNSON CHARLES D.
分类号
C21D9/58;C23C2/22
主分类号
C21D9/58
代理机构
代理人
主权项
地址
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