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发明名称
Method of shaping heated aluminum billets with zinc alloy dies
摘要
申请公布号
US2906019(A)
申请公布日期
1959.09.29
申请号
US19540456600
申请日期
1954.09.16
申请人
NORTH AMERICAN AVIATION, INC.
发明人
WHEELER WILL L.;HALL LOWELL E.;KELLOGG EVERETT J.
分类号
B21J5/02;B21K5/20
主分类号
B21J5/02
代理机构
代理人
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地址
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