Method of measurement of light output of projectors for narrow gauge film /
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| Corporate Author: | |
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| Format: | Book |
| Language: | English |
| Published: |
London :
British Standards Institution,
1962..
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| Series: | B.S. (Series) 1962 ;
930. |
| Subjects: |
| Physical Description: | 8 p. ; 21 cm. |
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