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经营范围
发明名称
KONVERTER
摘要
申请公布号
DE1946892(B2)
申请公布日期
1976.09.09
申请号
DE19691946892
申请日期
1969.09.16
申请人
发明人
分类号
C21C5/46;(IPC1-7):C21C5/42
主分类号
C21C5/46
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代理人
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地址
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