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BS 2813:1957

Polarized & non-polarized plugs for use on hearing aids..

STANDARD published on 17.1.1957

English -
Print design (296.10 USD)

The information about the standard:

Designation standards: BS 2813:1957
Note: WITHDRAWN
Publication date standards: 17.1.1957
Approximate weight : 300 g (0.66 lbs)
Country: British technical standard
Category: Technical standards BS