計(jì)量單位:個(gè); 產(chǎn)品產(chǎn)地:溫州; 產(chǎn)品發(fā)布有效期:2005-12-31; Size Ф A B C 1 25.4 50.5(34) 23 55 11/4 31.8 50.5 28.5 60 11/2 38.1 50.5 35.5 70 2 50.8 64 47.8 80 21/2 63.5 77.6 59.5 105 3 76.2 91.1 72.3 110 31/2 89.1 106 85 146 4 101.6 119 97.6 160 (工業(yè)標(biāo)準(zhǔn)有：ISO、DIN、IDF、3A等)