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发明名称
Method of making tubing
摘要
申请公布号
US2402383(A)
申请公布日期
1946.06.18
申请号
US19430499671
申请日期
1943.08.23
申请人
NATIONAL TUBE COMPANY
发明人
DUNN JERRY JAY
分类号
C21D8/10
主分类号
C21D8/10
代理机构
代理人
主权项
地址
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