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经营范围
发明名称
Spring winding machine
摘要
申请公布号
US2697470(A)
申请公布日期
1954.12.21
申请号
US19510218791
申请日期
1951.04.02
申请人
THE TORRINGTON MANUFACTURING COMPANY
发明人
SAMPATACOS PETER M.;JR. EDWARD E. FRANKS,
分类号
B21F3/04
主分类号
B21F3/04
代理机构
代理人
主权项
地址
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