Specification for fireclay refractories for oil-fired boiler furnaces of naval s
Indian Standards Institution
Specification for fireclay refractories for oil-fired boiler furnaces of naval s - New Delhi 1953 - 0.625 - IS-483; Indian Standards Inst .
Specification for fireclay refractories for oil-fired boiler furnaces of naval s - New Delhi 1953 - 0.625 - IS-483; Indian Standards Inst .