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发明名称
APPARATUS FOR COLD FORMING HALF TORI FROM ANNULAR FLAT PLATES
摘要
申请公布号
GB1389953(A)
申请公布日期
1975.04.09
申请号
GB19720059677
申请日期
1972.12.27
申请人
COMBUSTION ENG INC
发明人
分类号
B21C37/28;B21D5/01;B21D51/16;B21D53/18;(IPC1-7):B21D22/06
主分类号
B21C37/28
代理机构
代理人
主权项
地址
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