Specification for universal sprockets for 35 mm perforated film.
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| Corporate Author: | |
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| Format: | Book |
| Language: | English |
| Published: |
London :
British Standards Institution,
1965..
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| Series: | British standard 1965 ;
3946: |
| Subjects: |
| Physical Description: | 11 p. : ill. ; 21 cm. |
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