NEN ISO 9539 : 1992
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
MATERIALS FOR EQUIPMENT USED IN GAS WELDING, CUTTING AND ALLIED PROCESSES
02-01-2010
01-12-2013
Specifies the general and special requirements on materials used for the construction of equipment used in gas welding, cutting and allied processes.
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