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经营范围
发明名称
Procédé de dégazage des liquides et bains de fusion au moyen d'ondes sonores ordinaires
摘要
申请公布号
FR807583(A)
申请公布日期
1937.01.15
申请号
FRD807583
申请日期
1936.04.15
申请人
发明人
KRU:GER FRIEDRICH
分类号
B01D19/00;C03B5/225;C22B9/02
主分类号
B01D19/00
代理机构
代理人
主权项
地址
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