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Specification. Intrinsically safe magneto-call telephones primarily for use in coal mines.
STANDARD published on 14.3.1956
Designation standards: BS 2733:1956
Note: WITHDRAWN
Publication date standards: 14.3.1956
SKU: NS-62249
Approximate weight : 300 g (0.66 lbs)
Country: British technical standard
Category: Technical standards BS
Latest update: 2026-06-25 (Number of items: 2 284 379)
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