https://www.geminicomputersinc.com/e1200.html
Shop Sdc/Security Door Controls E1200 at Gemini Computers | New
(sdc-e1200) SDC/SECURITY DOOR CONTROLS [E1200] - E1200 MAGLOCK 1200LBS E1200 MAGNETIC LOCK DS LS LED (ITEM ALSO KNOWN AS : SDC-E1200) [E1200]
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https://solutions.sdcsecurity.com/blog/tag/division-28/page/3
Security Door Controls | Division 28 (3)
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https://www.jmac.com/Security_Door_Controls_482A6U_p/sdc-482a6u.htm
482A6U Security Door Controls
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