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NEN ISO 9090 : 1992
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
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GAS TIGHTNESS OF EQUIPMENT FOR GAS WELDING AND ALLIED PROCESSES
01-12-2019
12-01-2013
Specifies the maximum external leakage rates which are acceptable for equipment used for welding, cutting and allied processes.
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