GB 11031 89 IEC 372(1984) 1 GB 4056 GB 2324 2 GB 2324 GB 4056 GB 10215 YB 53 3 3.1 R ( 1) W ( 3) 3.2 R 1 1 W 3 3 R 2 2 1 R mm S T R 2 F 2min F 3R min L min16 16R 3.2 0.1 2 . 0 0 9 . 7 +4.8 10.7 5.5 0.6 3 38 20 20R 3.2 0.1 2 . 0 0 0 . 7 +4.8 10.7 6.0 0.6 3 49 24 24R 14.0 0.1 2 . 0 0 7 . 8 +5.7 12.8 7.0 0.6 3.5 60 24R2 4.0 0.1 2 . 0 0 7 . 8 +5.7 12.8 7.0 0.6 3.5 60 28 28R 4.5 0.1 3 . 0 0 0 . 10 +6.2 13.8 7.4 0.6 3.5 71 32 32R 5.2 0.1 3 . 0 0 5 . 11 +7.2 15.8 8.4 0.6 3.5 81 1
