And here's the link to the factory that made the shells in WW2
http://rea2006.rus-catalog.ru/catalo...000126_dwn.htm
Here the translation of that that is written on this page regarding WW2:
" In the 30's of past century and during World War II 1941-1945 the plant it let out the housings of 122- millimeter explosive, HE fragmentation,
smoke, igniting and special projectiles."
This is also apparently mentioned in Isby's weapons & tactics of the USSR. 122mm Russian Arty could fire smoke despite what one website reports
Don