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发明名称
Rod bender
摘要
申请公布号
US2456532(A)
申请公布日期
1948.12.14
申请号
US19450632237
申请日期
1945.12.01
申请人
PERAZZO PETER L
发明人
PERAZZO PETER L.
分类号
B21D7/022
主分类号
B21D7/022
代理机构
代理人
主权项
地址
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