NBN S 21-021-1976
Portable fire extinguishers - Retention of pres-sure - Dielectric test - Test for compaction -Special provisions

Standard No.

NBN S 21-021-1976

Release Date

1976

Published By

BE-NBN

Latest

NBN S 21-021-1976

Scope

This standard defines specifications of characteris ic properties with corresponding test methods on the following points: waterproofness, dielectric test, settlement test, special provis ons.

NBN S 21-021-1976 history

• 1976 NBN S 21-021-1976 Portable fire extinguishers - Retention of pres-sure - Dielectric test - Test for compaction -Special provisions