NF H35-101:1991
制瓶工業(yè) 玻璃瓶 靜止液體用("verplast" 直徑 29/21 的 3號口徑)直經(jīng)29mm(口部21mm)蓋上有傾倒箍的玻璃瓶口 尺寸
Bottling industry. Glass bottles. Glass finish for pouring clip on cap finish of 29 (opening diameter 21 mm) for still liquids (so-called "verplast" diameter 29/21 no 3 for spout). Dimensions.