VSM 34651-1937
Automatic fire alarm equipment components. Part 7: Point smoke detector. Smoke detectors based on scattered light, transmitted light or ionizing light principles

Standard No.

VSM 34651-1937

Release Date

1937

Published By

CH-SNV

Latest

VSM 34651-1937

VSM 34651-1937 history

• 1937 VSM 34651-1937 Automatic fire alarm equipment components. Part 7: Point smoke detector. Smoke detectors based on scattered light, transmitted light or ionizing light principles