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发明名称
Vorrichtung zur Herstellung von Trockeneis
摘要
申请公布号
DE679119(C)
申请公布日期
1939.07.29
申请号
DED679119D
申请日期
1930.12.18
申请人
GUGLIELMO WEBER
发明人
分类号
C01B31/22
主分类号
C01B31/22
代理机构
代理人
主权项
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