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发明名称
Vorrichtung zum Vakuumbehandeln von Stahl beim Gießen und Verfahren zu ihrem Betrieb
摘要
申请公布号
AT204714(B)
申请公布日期
1959.08.10
申请号
AT19580003579
申请日期
1958.05.20
申请人
BOCHUMER VEREIN FUER GUSZSTAHLFABRIKATION AKTIENGESELLSCHAFT
发明人
分类号
主分类号
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代理人
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