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Standard for Signaling Devices for the Hearing Impaired

UL CSDS Proposal
Standard 1971, Edition 3 Edition Date: May 30, 2008
Summary of Topics b1971_3_20080530_sum.html

Subject 1971

Bulletin Dated: May 30, 2008


The following changes in requirements are being proposed:

1. Revision to ratings information in installation literature

Back to Standard 1971, Edition 3

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