TY - BOOK AU - Bureau of Indian Standards TI - Technical Supply Condition for Air Screw Compressors (Oil Flooded) for General Purpose and Industrial Applications (IS : 12258 - 1987) U1 - IS : 12258 - 1987 PY - 1988/// CY - New Delhi PB - Bureau of Indian Standards KW - Indian Standard - IT N1 - IS : 12258 - 1987 ER -