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发明名称
METHOD AND APPARATUS FOR DRAWING HEAVY WALL SHELLS
摘要
申请公布号
AU571457(B2)
申请公布日期
1988.04.21
申请号
AU19830019320
申请日期
1983.09.21
申请人
VERSON ALLSTEEL PRESS CO.,
发明人
JOHN D. BUDREAN;JOHN A. KIRKPATRICK
分类号
B21D22/30;B21D22/21;B21D22/28;(IPC1-7):B21D22/21;B21K21/06
主分类号
B21D22/30
代理机构
代理人
主权项
地址
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