TY - BOOK AU - Bureau of Indian Standards TI - Bevel Gears Systems: Part - 1 Straight Bevel Gears (IS : 12328 (Part 1) - 1988) U1 - IS : 12328 (Part 1) - 1988 PY - 1990/// CY - New Delhi PB - Bureau of Indian Standards KW - Indian Standard - IT N1 - IS : 12328 (Part 1) - 1988 ER -