Instructions for using gas masks with the front part of mod-O8, O-11 and SHM-1

Instructions for using gas masks with the front part of mod-O8, O-11 and SHM-1 / ch.Ex.local air defense of the NKVD of the USSR.- Moscow: Military.Publishing House of Nar.Commissariat of Defense of the USSR, 1941. -30, [2] p.: silt .. -On the region: Military Publishing House of the NPO of the USSR..I. USSR.The main thing islocal air defense. 1.People (collection).Electronic copy source: PBOriginal storage location: RSG