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Application filed by N Proizv Ob Abrazivam I Shlifo, Le Lesotekhnicheskaya AkademiafiledCriticalN Proizv Ob Abrazivam I Shlifo
Priority to FI871517ApriorityCriticalpatent/FI871517L/en
Publication of FI871517A0publicationCriticalpatent/FI871517A0/en
Publication of FI871517LpublicationCriticalpatent/FI871517L/en