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发明名称
Verfahren und Einrichtung zur Gewinnung von dichtem, spez. schwerem Kohlensäureschnee auf direktem Wege aus flüssiger Kohlensäure.
摘要
申请公布号
AT117848(B)
申请公布日期
1930.05.26
申请号
ATD117848
申请日期
1928.11.29
申请人
MIDDEN-EUROPEEISCHE OCTROOIMAATSCHAPPIJ
发明人
分类号
主分类号
代理机构
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