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Represents specific hardware traits—for instance, "NF" commonly refers to "Normally Closed" (NC) and "Normally Open" (NO) contact blocks in safety switches, or specific filtration/air-handling properties in industrial ventilation blueprints.

: If you found this code in an email, on a physical document, or a specific portal (like a health provider or insurance portal), the "paper" is likely hosted behind a login on that specific site.

Данное объявление находится в разделе «Архив»