beyond998118 发表于 2021-7-25 08:49:51

BS EN ISO 15792-2-2020 Welding consumables - Test methods - Preparation of singl

BS EN ISO 15792-2-2020 Welding consumables - Test methods - Preparation of single-run and two-run technique test pieces and specimens in steel




admin 发表于 2021-7-28 11:03:42

谢谢您的分享,金币已奖励!

kth7777 发表于 2022-4-24 11:30:37

好资料，期待下一份的到来
页: [1]
查看完整版本: BS EN ISO 15792-2-2020 Welding consumables - Test methods - Preparation of singl