Gukoresha Igikoresho:
Byakoreshejwe mugupima ubushyuhe no kurwanya imyanda gusa, imyambaro, uburiri, nibindi, harimo imyenda myinshi.
Kuzuza ibisanzwe:
GBT1000048, ISO11092 (E), ASTM F1868, GB / T38473 nibindi bipimo.