Amadokhumenti

I-GBT 3087-2022

I-ASTM A335-2019

I-ASTMA53

I-SANS62-1: 2013

I-JIS G3125-2015

I-GOST 633_1980

Ipayipi lensimbi engagqwali elingenamthungo lokudlulisa uketshezi

GB_T12459-2017

I-GB 3274-2017

I-GB 713-2014

EN10025-1

BS_EN_10025_2_2019

I-BS EN 10025-3-2019

I-ASTM_ A450_A450M-2004a

I-ASTM A530_A530M-2012

I-ASTM A234_A234M-2018

I-GOST-380-2005-E2008-ENG

GOST_8732-78

Izindinganiso, izinto zokwakha kanye nezidingo zamapayipi ensimbi yesilinda

GB_T12459-2017

GOST8639-82

I-GOST 10704_1991

I-GOST 8732_1978

Ikhodi ye-HS