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发明名称
Pipe bender and straightener
摘要
申请公布号
US2497500(A)
申请公布日期
1950.02.14
申请号
US19480025134
申请日期
1948.05.05
申请人
CORRIE HIGHTOWER;HEROLD SPRINGETT
发明人
HIGHTOWER CORRIE;SPRINGETT HEROLD
分类号
B21D7/06
主分类号
B21D7/06
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代理人
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