Bulgarian Institute for Standardization
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PREPNW 47E-1

Test method of sound variation detection sensors for fire detection

General information

00.99     Oct 25, 2018

PNW   

IEC

TC 47/SC 47E

International Standard

Life cycle

NOW

IN DEVELOPMENT
PREPNW 47E-1
00.99 Approval to ballot proposal for new project
Oct 25, 2018