
Specification for spirit level vials.
NORMA vydaná dňa 1.6.1962
Označenie normy: BS 3509:1962
Dátum vydania normy: 1.6.1962
Počet strán: 24
Približná hmotnosť: 72 g (0.16 libier)
Krajina: Britská technická norma
Kategória: Technické normy BS
Specifies dimensional, constructional and performance requirements for a range of spirit level vials - both cylindrical and circular - and describes a recommended method of testing. Also included is a series of recommended vial mounts. Status: Confirmed