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Image: US Patent 1773079 (Fig 1)

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Description: Figure 1 from United States patent #1,773,079 issued to Clarence Birdseye for the production of quick-frozen fish.
Title: US Patent 1773079 (Fig 1)
Credit: United States Patent Office.
Author: United States Patent Office (Clarence Birdseye, inventor).
Permission: Public domain. Note that the text and figures of all patents issued by the United States Patent Office are in the public domain.
Usage Terms: Public domain
License: Public domain
Attribution Required?: No

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