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发明名称
Verfahren zur Herstellung moeglichst sauerstofffreier Gase
摘要
申请公布号
DE1077641(B)
申请公布日期
1960.03.17
申请号
DE1954V007962
申请日期
1954.10.27
申请人
VACUUMSCHMELZE AKTIENGESELLSCHAFT
发明人
PFEIFFER DIPL.-CHEM. DR. HARALD
分类号
C01B21/04;C22C21/00
主分类号
C01B21/04
代理机构
代理人
主权项
地址
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