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

NORMA vydaná dňa 17.3.1997

The information about the standard:

Designation standards: GB/T 223.69-1997
Note: NEPLATNÁ
Publication date standards: 17.3.1997
Country: Chinese technical standard
Kategória: Technické normy GB