4. Optics: measuring and testing
  5. Egg candling
  6. Photoelectric

John Hebrank

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Method and apparatus for distinguishing live from infertile poul

Optics: measuring and testing – Egg candling – Photoelectric
Patent

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Methods for injecting avian eggs

Animal husbandry – Avian egg treatment or production
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1528240

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