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Rules for methods of declaring efficiency of electrical machinery (excluding traction motors).
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STANDARD published on 1.1.1927
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Designation standards: BS 269:1927
Note: WITHDRAWN
Publication date standards: 1.1.1927
SKU: NS-1138122
Approximate weight : 300 g (0.66 lbs)
Country: British technical standard
Category: Technical standards BS
Latest update: 2026-11-09 (Number of items: 2 209 259)
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