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发明名称
Tensioning device
摘要
申请公布号
US2250541(A)
申请公布日期
1941.07.29
申请号
US19380237456
申请日期
1938.10.28
申请人
WESTINGHOUSE ELECTRIC & MANUFACTURING COMPANY
发明人
LESSMANN GERHARD P.
分类号
B21B37/50;B21B37/54;B21B39/08
主分类号
B21B37/50
代理机构
代理人
主权项
地址
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