1
Graphite salts, graphite granules, graphite intercalation compounds for industrial purposes, in particular manufacture of expanded graphite; expanded graphite, in particular for processing graphite foils, graphite laminates, heat insulating materials, heat conducting substances and composite materials
11
Heat or cold accumulators consisting of, or containing, carbon, natural graphite, expanded graphite and phase change materials; air conditioning apparatus, equipment and installations, air cooling apparatus, heat pumps, heat exchangers, water heaters, water coolers consisting of, or containing, carbon, natural graphite, expanded graphite and phase change material
19
Mortar, building stone, heat storage bricks
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