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发明名称
Apparatus for tube bending
摘要
申请公布号
US2565717(A)
申请公布日期
1951.08.28
申请号
US19480037757
申请日期
1948.07.09
申请人
PARSONS CORPORATION
发明人
BROGREN AXEL V.
分类号
B21D7/00
主分类号
B21D7/00
代理机构
代理人
主权项
地址
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