Board surface with lineation E147:
black music lines.
![Board surface with lineation E147:](/media/cache/89/86/8986e3ef16683f0570ad2ff99c30eab5/Mat-E147_ME_XX_P01.lang.jpg)
Steel sheet for all specially-coated writing surfaces of up to a width of 300 cm and a height of 120 cm. The vitreous-enamel coating is stoved at a high temperature by a special process. The surfaces can be written on with chalk and magnets adhere to them.