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经营范围
发明名称
Dispositifs perfectionnés pour assurer un contact entre gaz et liquides
摘要
申请公布号
FR1028997(A)
申请公布日期
1953.05.29
申请号
FRD1028997
申请日期
1950.11.24
申请人
发明人
KOCH FRED CHASE;LITWIN HARRY
分类号
B01D3/26
主分类号
B01D3/26
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