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发明名称
摘要
申请公布号
DE2211652(B2)
申请公布日期
1974.03.28
申请号
DE19722211652
申请日期
1972.03.10
申请人
ALLMAENNA SVENSKA ELEKTRISKA AB, VAESTERAAS (SCHWEDEN)
发明人
NILSSON, JAN, DIPL.-ING., ROBERTSFORS (SCHWEDEN)
分类号
B21C23/00;(IPC1-7):B21C23/04
主分类号
B21C23/00
代理机构
代理人
主权项
地址
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