-
GBT 3087-2022 - ASTM A335-2019
-
ASTMA53 - SANS62-1：2013
- JIS G3125-2015
- GOST 633_1980
- GB-T14976-2012Pibell ddur di-staen di-dor ar gyfer trosglwyddo hylif
- GB_T12459-2017
- GB 3274-2017
- GB 713-2014
- EN10025-1
- BS_CY_10025_2_2019
- BS EN 10025-3-2019
- ASTM_ A450_A450M-2004a
- ASTM A530_A530M-2012
- ASTM A234_A234M-2018
- GOST-380-2005-E2008-ENG
- GOST_8732-78
- Safonau, deunyddiau a gofynion pibellau dur silindr
- GB_T12459-2017
- GOST8639-82
- GOST 10704_1991
- GOST 8732_1978
- Cod HS
-
Ffôn
-
E-bost
-
Whatsapp
-
Wechat
-
Top