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发明名称
VERFAHREN ZUM ENTKOHLEN EINER METALLSCHMELZE
摘要
申请公布号
DE2253480(B2)
申请公布日期
1977.07.28
申请号
DE19722253480
申请日期
1972.10.31
申请人
发明人
分类号
C21C7/072;C21C5/34;C21C7/068;(IPC1-7):C21C5/30
主分类号
C21C7/072
代理机构
代理人
主权项
地址
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