Technical chemistry

Moscow. Coaxial - medium. (2) pipe connections - average (2)

ergo 4207 (2) Ergo 4401 (2)

-50 to +150 degrees Celsius (2) -55 to +150 degrees Celsius. (2)

6 hours (full endurance) (2) 24 h (full endurance) (2)

black (14) blue (11) brown (3) copper (1) gray (5) green (22) light beige (2) orange (3) pink (1) purple (2) red (11) silver (1) transparent (21) white (8) yellow (4)