SIS SS 484 01 23-1991 Industrial electroheating installations - Nominal dimensions of cylindrical machined graphite electrodes with threaded sockets and nipplesfor use in electric arcfumaces
1991SIS SS 484 01 23-1991 Industrial electroheating installations - Nominal dimensions of cylindrical machined graphite electrodes with threaded sockets and nipplesfor use in electric arcfumaces