NBN C 23-106-1975
Explosive piezoelectric device. Powder filling protection equipment "q"

Standard No.

NBN C 23-106-1975

Release Date

1976

Published By

BE-NBN

Status

Be replaced

Replace By

NBN C 23-106-1979

Latest

NBN C 23-106-1979

NBN C 23-106-1975 history

• 1979 NBN C 23-106-1979 Electrical equipment in explosive atmosphere environments. Powder fills "q"
• 1976 NBN C 23-106-1975 Explosive piezoelectric device. Powder filling protection equipment "q"