Telegrams with suggestions of various projects and inventions

Title	Telegrams with suggestions of various projects and inventions
Series	1919
Fonds	Council of People's Commissars of the RSFSR (Council of People's Commissars of the RSFSR)
Display format	Full description RUSMARC
Collections	Russian inventions: Pages of history → Inventions in 1917–1991 → Selected inventions