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ASTM A531/A531M-91(2006) Standard Practice for Ultrasonic Examination of

  leunghb ·  2010-01-10 14:35  ·  41354 次点击
ASTMA531/A531M-91(2006)StandardPracticeforUltrasonicExaminationofTurbine-GeneratorSteelRetainingRings
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标准手册, a531, a531m, standard, practice, ultrasonic, examination

1 条回复

z8212020  2011-02-18 10:34
收藏了,谢谢楼主

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