Procedures require the identity, formal stamp and signature of level III NDE engineer as well as the date of validity.
程序需要的身份，正式图章和III级无损检测工程师签名以及有效日期。
Make available qualification tests of welders and qualification records of the NDE personnel to the Engineer upon request.
对焊工进行有效的资质测试，并且满足NDE对工程师个人要求的技术合格证书。
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