00809nam0-22003011i-450-99000033363040332120001010000033363FED01000033363(Aleph)000033363FED0100003336320001010d--------km-y0itay50------baitay-------001yyRefractory materilastheir manufacture and usesBy Alfred B. Searle.2° ed.LondonGriffin & Company1924XV,730 p., ill., 24 cm668Searle,Alfred B.18780ITUNINARICAUNIMARCBK99000033363040332104 186-49CI 699DINCHDINCHRefractory materilas123676UNINAING01