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发明名称
Process for stretching sheet metal
摘要
申请公布号
US2183969(A)
申请公布日期
1939.12.19
申请号
US19360105053
申请日期
1936.10.10
申请人
THE MCKINNEY TOOL AND MANUFACTURING COMPANY
发明人
MCKINNEY ELSMERE W.
分类号
B21D1/02
主分类号
B21D1/02
代理机构
代理人
主权项
地址
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