التصنيف: التركيب

Total 4 articles
grama · 2026-05-14 | Read 2734 | التعليقات 0

This is the English translation of the Chinese National Standard GB/T 4334.1-2000. The original Chinese PDF is also embedded at the bottom of this page for reference. GB/T 4334.1-2000 Method of 10 Per Cent Oxalic Acid Etch Test for Stainless Steels ICS: 77.040.99   |   Issued: 2000-10-25   |   Implemented: 2001-09-01 Published by: General Administration of Quality […]

جراما - 2025-11-17-2025 | Read 4599 | التعليقات 0

….