6 de agosto de 2018

API 5L Line Pipe, ASTM A-53, ASTM A-252, EN 10219, EN 10217, EN 1022

Normas e condições técnicas para o fornecimento: IS: 3589 Steel tubes for water and sewage IS : 1978-1982:Steel tubes for use in transportation of oil; gas & Petroleum products ASTM […]