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1、GB/T12605-90鋼管環(huán)縫熔化焊對接接頭射線透照工藝和質(zhì)量分級第1頁共17頁P(yáng)DFcreatedwithpdfFactoryProtrialversionwww.pdffactory.comGB/T12605-90鋼管環(huán)縫熔化焊對接接頭射線透照工藝和質(zhì)量分級第2頁共17頁P(yáng)DFcreatedwithpdfFactoryProtrialversionwww.pdffactory.comGB/T12605-90鋼管環(huán)縫熔化焊對接接頭射線透照工藝和質(zhì)量分級第3頁共17頁P(yáng)DFcreatedwithpdfFactoryProtrialversionwww.pdffactory.
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5、.pdffactory.comGB/T12605-90鋼管環(huán)縫熔化焊對接接頭射線透照工藝和質(zhì)量分級第13頁共17頁P(yáng)DFcreatedwithpdfFactoryProtrialversionwww.pdffactory.comGB/T12605-90鋼管環(huán)縫熔化焊對接接頭射線透照工藝和質(zhì)量分級第14頁共17頁P(yáng)DFcreatedwithpdfFactoryProtrialversionwww.pdffactory.comGB/T12605-90鋼管環(huán)縫熔化焊對接接頭射線透照工藝和質(zhì)量分級第15頁共17頁P(yáng)DFcreatedwithpdfFactoryProtrialvers
6、ionwww.pdffactory.comGB/T12605-90鋼管環(huán)縫熔化焊對接接頭射線透照工藝和質(zhì)量分級第16頁共17頁P(yáng)DFcreatedwithpdfFactoryProtrialversionwww.pdffactory.comGB/T12605-90鋼管環(huán)縫熔化焊對接接頭射線透照工藝和質(zhì)量分級第17頁共17頁P(yáng)DFcreatedwithpdfFactoryProtrialversionwww.pdffactory.com