TY - BOOK AU - Bureau of Indian Standards TI - Datum and Datum Systems for Geometrical Tolerancing on Technical Drawings (IS : 10721 - 1983) U1 - IS : 10721 - 1983 PY - 1984/// CY - New Delhi PB - Bureau of Indian Standards KW - Indian Standard - IT N1 - IS : 10721 - 1983 ER -