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Sound & Signaling Devices


Bells, tone generators and audio generators signal class dismissal, shift changes and lunch breaks.

The specifications offer product support for Supering bells, wired tone generators and audio generators.


140 3rd Street South, PO Box 707, Dassel, MN 55325-0707  |  Phone: 800-328-8996  |  Fax: 800-789-1882
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