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DL 474.1-1992

Chinese Standard: 'DL 474.1-1992'
Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)See DetailStatusRelated Standard
DL 474.1-1992EnglishRFQ ASK Days<=3 (Field Guide for insulation test insulation resistance, absorption ratio and polarization index test) DL 474.1-1992 Obsolete DL 474.1-1992

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