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  4. Standard "BS 942:1941"
WITHDRAWN BS 942:1941 17.2.1941 preview

BS 942:1941

Formulae for calculating intensities of lighthouse beams and beams from cognate projection apparatus..



STANDARD published on 17.2.1941


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Price289.80 USD excl. VAT
289.80 USD

The information about the standard:

Designation standards: BS 942:1941
Note: WITHDRAWN
Publication date standards: 17.2.1941
SKU: NS-79197
Approximate weight : 300 g (0.66 lbs)
Country: British technical standard
Category: Technical standards BS

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