| 摘要 |
The process to establish and check the matching of negatives and processing envelopes in photographic laboratories foresees that in the initial phase the bar code printed on the cartridge is automatically read and machine-reproduced in a legible code on the envelope (1), and that at the end of the film handling, an automatic check is performed between the bar code (4) preprinted on the film and the code printed on the envelope and a visually displayed comparison is made on the screen between negatives and corresponding positives, as well as between envelope and film code numbers.
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