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发明名称
Verfahren zur Wasserreinigung zwecks Schutzschichtbildung
摘要
申请公布号
DE813976(C)
申请公布日期
1951.09.17
申请号
DE1948P013003
申请日期
1948.10.02
申请人
FRERS JOHANN N. DR.
发明人
FRERS JOHANN N. DR.
分类号
C02F5/02
主分类号
C02F5/02
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代理人
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