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Method of carrying out a field test for light output of sub-standard cinematograph projectors.
STANDARD published on 18.11.1940
Designation standards: BS 930:1940
Note: WITHDRAWN
Publication date standards: 18.11.1940
SKU: NS-79095
Approximate weight : 300 g (0.66 lbs)
Country: British technical standard
Category: Technical standards BS
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Latest update: 2025-02-05 (Number of items: 2 224 044)
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