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  • BS 08/30129607 DC

BS 08/30129607 DC

BS 8521. Specification for dual-tone multi-frequency (DTMF) signalling protocol for social alarm systems (21TC)

BSI Group , 07/31/2008

Publisher: BS

File Format: PDF

$108.00$217.35


Standard By:BSI Group , 07/31/2008
Published:07/31/2008
Pages:30
Cross References:BS EN 50134BS EN 50134ES 201 235-1ES 201 235-2ES 201 235-4

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