UL Subject 1971
Original price was: $217.86.$108.00Current price is: $108.00.
Standard for Signaling Devices for the Hearing Impaired (CSDS Proposal, 7/2/2014)
Underwriters Laboratories , 07/02/2014
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UL Subject 1971
Original price was: $298.93.$149.00Current price is: $149.00.
Standard for Signaling Devices for the Hearing Impaired (Bulletin, 8/8/2014)
Underwriters Laboratories , 08/08/2014
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UL Subject 1971
Original price was: $232.16.$116.00Current price is: $116.00.
Standard for Signaling Devices for the Hearing Impaired (CSDS Proposal, 5/1/2014)
Underwriters Laboratories , 05/01/2014
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UL Subject 1971
Original price was: $182.58.$91.00Current price is: $91.00.
Standard for Signaling Devices for the Hearing Impaired (CSDS Proposal, 8/2/2013)
Underwriters Laboratories , 08/02/2013
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UL Subject 1971
Original price was: $113.19.$56.00Current price is: $56.00.
Standard for Signaling Devices for the Hearing Impaired (Bulletin, 3/10/2008)
Underwriters Laboratories , 03/10/2008
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UL Subject 1971
Original price was: $267.41.$133.00Current price is: $133.00.
Standard for Signaling Devices for the Hearing Impaired (Bulletin, 12/17/2008)
Underwriters Laboratories , 12/17/2008
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UL Subject 1971
Original price was: $297.90.$148.00Current price is: $148.00.
Standard for Signaling Devices for the Hearing Impaired (CSDS Proposal, 5/30/2008)
Underwriters Laboratories , 05/30/2008
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UL Subject 1971
Original price was: $186.98.$93.00Current price is: $93.00.
Standard for Signaling Devices for the Hearing Impaired (CSDS Proposal, 11/2/2007)
Underwriters Laboratories , 11/02/2007
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UL Subject 1971
Original price was: $217.65.$108.00Current price is: $108.00.
Standard for Signaling Devices for the Hearing Impaired (Bulletin, 6/7/2002)
Underwriters Laboratories , 06/07/2002
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UL Subject 1971
Original price was: $288.92.$144.00Current price is: $144.00.
Standard for Signaling Devices for the Hearing Impaired (Bulletin, 11/22/1999)
Underwriters Laboratories , 11/22/1999
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