NEN ISO 14180 : 1998
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
SOLID MINERAL FUELS - GUIDANCE ON THE SAMPLING OF COAL SEAMS
23-04-2019
12-01-2013
Gives guidance on methods for taking samples from coal seams in the ground, whether from exploration tenements, or from operations underground or open-cut mines.
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