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BS 930:1940
Method of carrying out a field test for light output of sub-standard cinematograph projectors
No description.
Technical characteristics
| Publisher | British Standards Institution (BSI) |
| Publication Date | 11/18/1940 |
| Page Count | 0 |
| EAN | --- |
| ISBN | --- |
| Weight (in grams) | --- |
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Previous versions
18/11/1940
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