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[2]CurrentPatentAssignee:Hoering;Baum-DE186739,1800,C
[3]CurrentPatentAssignee:Hoering;Baum-DE186739,1800,C
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[2]CurrentPatentAssignee:MERCKKGAA-DE597305,1931,C[Fortschr.Teerfarbenfabr.Verw.Industriezweige,vol.19,p.1507][Fortschr.Teerfarbenfabr.Verw.Industriezweige,vol.19,p.1507]