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IRR-3 Relay unit

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Revision as of 15:52, 4 September 2012 by Asle (talk) (Created page with "The '''IRR-3 relay unit''' is used in combination with industrial stations. The relay unit is used for operating of rotary light or sound device for call indication.")
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The IRR-3 relay unit is used in combination with industrial stations. The relay unit is used for operating of rotary light or sound device for call indication.

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