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保溫閘閥應(yīng)用規(guī)范 Application Norm
1、設(shè)計(jì)制造按12234-89 Design Manafacfure According to 12234-89
2、結(jié)構(gòu)長(zhǎng)度按GB12221-89 f-ace to Face According to GB12221 89
3、法蘭尺寸按JB/T79-94 Flange Dimenaion Accoring to JB/T79-94
4、閥門(mén)檢查和試驗(yàn)按GB13927 Valve check and Test According to GB13927
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