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发明名称
Spring coiling machine
摘要
申请公布号
US2765022(A)
申请公布日期
1956.10.02
申请号
US19540475686
申请日期
1954.12.16
申请人
THE TORRINGTON MANUFACTURING COMPANY
发明人
BERGEVIN CHARLES R.
分类号
B21F3/04;B21F3/06
主分类号
B21F3/04
代理机构
代理人
主权项
地址
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