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发明名称
Metal stretching press which straightens and moves work edges into drawing chucks
摘要
申请公布号
US2428890(A)
申请公布日期
1947.10.14
申请号
US19450588795
申请日期
1945.04.17
申请人
LONGREN AIRCRAFT COMPANY
发明人
PETERSON ALBIN K.
分类号
B21D11/02
主分类号
B21D11/02
代理机构
代理人
主权项
地址
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