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经营范围
发明名称
Procédé pour la préparation de plateaux perforés pour colonnes à distiller
摘要
申请公布号
FR898195(A)
申请公布日期
1945.04.12
申请号
FRD898195
申请日期
1943.09.21
申请人
RHODIACETA
发明人
分类号
B01D3/22
主分类号
B01D3/22
代理机构
代理人
主权项
地址
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