Iyi ni ingofero yumutekano igurishwa ku isoko ryacu ririnda abakozi, ibiciro biri hagati ya 3-15. Byujuje ibisabwa byumutekano wingofero yumutekano no gukora? GB2811-2019 Ingofero yo kurinda umutwe isaba ko ingofero zisanzwe zinyuramo i ...
GB / T 22868-2008 "Basketball" iteganya ko basketball igabanijwemo basketball yabagabo bakuze (No 7), basketball y'abagore bakuze (No 6), basketball y'urubyiruko (No 5), na basketball y'abana (No 3) kubakoresha bakoresha ...
Nigute imifuka ya pulasitike igenzurwa? Ni ubuhe buryo bwo kugenzura imifuka ya pulasitike ikoreshwa mu gupakira ibiryo? Kwemeza ibipimo no gutondekanya 1. Ibipimo byimbere mugihugu kugenzura imifuka ya plastike: GB / T 41168-202 ...