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Affichage de 7237 - 7248 de 11139
Avis d'intention

Parafoudres - Type 1 - branché en permanence

1.1 This Standard applies to surge protective devices (SPDs) intended for: a) permanently connected applications designed for limiting surge voltages and discharging surge currents; b) use on 50/60 Hz circuits over 42 V and...
Avis d'intention

Vannes excès de débit

.1 This standard applies to excess flow valves constructed entirely of new unused parts and materials intended for use after the service meter or second stage regulator (see Clause 3), hereinafter referred to as valves, not...

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