21/30401545 DC

This standard 21/30401545 DC BS ISO 561. Coal. Coal preparation plant. Graphical symbols is classified in these ICS categories:

• 01.080.30 Graphical symbols for use on mechanical engineering and construction drawings, diagrams, plans, maps and in relevant technical product documentation
• 73.120 Equipment for processing of minerals

This International Standard specifies basic symbols for use in flowsheets (see ISO 924) and other diagrams relating to coal preparation plant.