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发明名称
SPOSOB WYTWARZANIA RUR Z METALI I STOPOW
摘要
申请公布号
PL99849(B1)
申请公布日期
1978.08.31
申请号
PL19760193342
申请日期
1976.10.27
申请人
发明人
分类号
B21C23/08;(IPC1-7):B21C23/08
主分类号
B21C23/08
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代理人
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