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Application filed by Войсковая Часть 44388 - Р/ПfiledCriticalВойсковая Часть 44388 - Р/П
Priority to SU792753866ApriorityCriticalpatent/SU878601A1/en
Application grantedgrantedCritical
Publication of SU878601A1publicationCriticalpatent/SU878601A1/en
Предложенна механическа кнопка удобна в пользовании и надежно закрепл ет лист.The proposed mechanical button is user friendly and reliably secures the sheet.
Claims (1)
1. Авторское свидетельство СССР № 93336, кл. В 43 L 5/02, 1952.1. USSR author's certificate number 93336, cl. In 43 L 5/02, 1952.
SU792753866A1979-04-131979-04-13Mechanical button for drawing board
SU878601A1
(en)