00646cam a22002291a 4500 af 49000678 DLC 20260227110916.0 910729s1940 gw a 000 0 ger c af 49000678 (OCoLC)24144406 Illinois Univ. Library NcD NcD DLC UG447 .S34 623.3 Scholle, Richard. Merkblatt über Gasabwehr / von Richard Scholle. Berlin : W. Ernst, 1940. 52 p. : ill ; 15 cm. Gases, Asphyxiating and poisonous War use Germany. Gas masks. Gasabwehr. 6693 6693