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钢管环缝熔化焊对接接头 射线透照工艺和质量分级
价格:¥0.00
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钢焊缝手工超声波探伤方法和探伤结果分级
价格:¥0.00
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塑料焊缝无损检测方法 第4部分:超声检测
价格:¥0.00
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塑料焊缝无损检测方法 第2部分:目视检测
价格:¥0.00
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塑料焊缝无损检测方法 第1部分:通用要求
价格:¥0.00
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钢熔化焊T形接头超声波检测方法和质量评定
Methods of ultrasonic testing and assessment of measuring results for T-Joints fillet fusion welded in steel
价格:¥0.00
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钢熔化焊T形接头和角接接头焊缝射线照相和质量分级
Methods of radiogram and classification of measuring results for T-Joints and fillet joints fusion welded in steel
价格:¥0.00
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球形储罐γ射线全景曝光检测标准(附条文说明)
Standard for r-ray full view exposure technique of spherical tank
价格:¥0.00
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