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NEN ISO 14269-4 : 1998
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TRACTORS AND SELF-PROPELLED MACHINES FOR AGRICULTURE AND FORESTRY - OPERATOR ENCLOSURE ENVIRONMENT - PART 4: AIR FILTER ELEMENT TEST METHOD
12-01-2013
Defines a uniform test method for determining performance levels of operator enclosure panel-type air filters. It is applicable to tractors and self-propelled machines for agriculture and forestry when equipped with an operator enclosure with a ventilation system.
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