Tender For corrigendum : supply of fire extinguisher(6kg) revised specifications mdts 46270, rev.-03(i) fire rating-3a:89b(ii) type of fire extinguishers:-stored pressure dcp type (monoammoniumphosphate based dry powder 90%)(iii) standard code:- is:15683-2018(iv) class of fire:- abc (v) body material of fe:- ss