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HG/T 20559-1993

Chinese Standard: 'HG/T 20559-1993'
Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)See DetailStatusRelated Standard
HG/T 20559-1993EnglishRFQ ASK Days<=25 (Appendix piping instrumentation diagram design requirements: the basic unit of pipeline instrumentation diagram mode) HG/T 20559-1993   HG/T 20559-1993

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