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经营范围
发明名称
Verfahren zum Fraktionieren von Gasgemischen in einer Gasfraktioniersäule
摘要
申请公布号
AT186235(B)
申请公布日期
1956.07.25
申请号
ATD186235
申请日期
1953.02.23
申请人
N. V. PHILIPS' GLOEILAMPENFABRIEKEN
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
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