ГОСТ РЕН 1822-4—2012
Библиография
[
1
]
Wepfer,R. (1995). Characterisation of НЕРА andULPA
filters by proposed new European test methods, Filtration
& Separation, vol.32, n° 6, pp.545-550
[2]EN ISO 5167-1Measurements of fluid flow by means of pressure differen
tial devices inserted in circular cross-section conduits run
ning full - Part 1: General principles and requirements
(ISO 5167:2003)
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