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发明名称
Eintauchrohr für die Vakuumentgasung von Metallschmelzen, insbesondere Stahlschmelzen
摘要
申请公布号
AT215454(B)
申请公布日期
1961.06.12
申请号
AT19590001950
申请日期
1959.03.12
申请人
W. C. HERAEUS GESELLSCHAFT MIT BESCHRAENKTER HAFTUNG;RUHRSTAHL AKTIENGESELLSCHAFT
发明人
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主分类号
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