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1. Авторское свидетельство СССР по за вке № 25240ОЗ/25-27, кл. F 16 С 43/04, 1977.1. USSR author's certificate in application number 25240OS / 25-27, cl. F 16 C 43/04, 1977.
SU782596845A1978-03-311978-03-31Method of spacing balls in bearings
SU679740A1
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N-ARYL-OXAZOLIDINONES, -OXAZOLIDINONES, -PYRROLIDINONES, -PYRROLIDINES AND -THIAZOLIDINONES, THEIR PREPARATION PROCEDURE AND THEIR APPLICATION IN THERAPY.