DR 72124
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Methods of test for air filters used in air conditioning and general ventilation Method 5: Arrestance efficiency, average arrestance efficiency, dust holding capacity and dust holding capacity per unit area for test dusts numbers 1, 2 and 3
10-26-2017
02-15-2008
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