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Application filed by Б.И. Кузякин, кин Б.И. КузfiledCriticalБ.И. Кузякин
Priority to SU19100ApriorityCriticalpatent/SU11231A1/ru
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Publication of SU11231A1publicationCriticalpatent/SU11231A1/ru
SU19100A1927-08-291927-08-29Приспособление дл усилени звуков басов и дискантов в отдельности в струнно-клавишных музыкальных инструментах
SU11231A1
(ru)