Símbolos para los esquemas de las instalaciones de preparación del carbón.
COAL PREPARATION PLANT. GRAPHICAL SYMBOLS.
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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
CTN 22/SC 1/GT 1 - Carbones
ISO 561:1974 (Identical)
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