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Application filed by Laszlo IgnatisakfiledCriticalLaszlo Ignatisak
Priority to FI912645ApriorityCriticalpatent/FI912645A/en
Publication of FI912645A0publicationCriticalpatent/FI912645A0/en
Publication of FI912645ApublicationCriticalpatent/FI912645A/en
FOERFARANDE FOER BLEKNING OCH DELIGNIFIERING AV KEMISKA PAPPERSMASSOR OCH ANVAENDNING AV FOERFARANDET VID BLEKNING OCH DELIGNIFIERING AV SULFATMASSOR OCH ASAM-MASSOR