"grindability according to hardgrove index hgi" in German grindability according to Hardgrove index /HGI/ Mahlbarkeit gemäß Hardgrove-Index Detailed translations for "grindability according to hardgrove index hgi" grindability according to Hardgrove index /HGI/ grindability according to Hardgrove index /HGI/ Mahlbarkeit gemäß Hardgrove-Index