GB/T 223.69-1997

Methods for chemical analysis of iron,steel and alloy The gas- volumetric method after combustion in the pipe furnace for the determination of carbon content

STANDARD published on 17.3.1997

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The information about the standard:

Designation standards: GB/T 223.69-1997
Note: WITHDRAWN
Publication date standards: 17.3.1997
Country: Chinese technical standard
Category: Technical standards GB