00793nam0-22002891i-450-99000033669040332120001010000033669FED01000033669(Aleph)000033669FED0100003366920001010d--------km-y0itay50------baitay-------001yyRefractory materialsTheir manufacture and usesBy Alfred B. Searle.LondonGriffin & Co. Ltd.1917XII,444 p., 135 ill., 24 cm668Searle,Alfred B.18780ITUNINARICAUNIMARCBK99000033669040332104 186-274CI 0699DINCHDINCHRefractory materials124562UNINAING01