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发明名称
Articulated mandrel for cross rolling mills
摘要
申请公布号
US2239085(A)
申请公布日期
1941.04.22
申请号
US19380246346
申请日期
1938.12.17
申请人
DIESCHER TUBE MILLS, INC.
发明人
DIESCHER SAMUEL E.
分类号
B21B25/00
主分类号
B21B25/00
代理机构
代理人
主权项
地址
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