UDC 621.315.6 GB 2323 85 Ball-eye GB 2323 80 1985-01-23 1985-12-01 1 2 2.1 Q QP 2.2 mm b d 2 d 3 lQ-716221733.350QP-716201733.350QP-1016201733.350QP-1620262141.060QP-2024302549.080QP-3028392549.080 Q P 3 3.1 GB2314 85 3.2 GB2315 85 GB4056 83 3.3 GB700 79 GB699 65