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  4. Standard "BS 109:1921"
WITHDRAWN BS 109:1921 30.1.1933 preview

BS 109:1921

Air-break knife switches and air-break isolating switches for voltages not exceeding 660 volts excluding totally-enclosed and flame proof types.



STANDARD published on 30.1.1933


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Price298.20 USD excl. VAT
298.20 USD

The information about the standard:

Designation standards: BS 109:1921
Note: WITHDRAWN
Publication date standards: 30.1.1933
SKU: NS-58507
Approximate weight : 300 g (0.66 lbs)
Country: British technical standard
Category: Technical standards BS

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Latest update: 2026-11-12 (Number of items: 2 209 301)
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