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3 résultats pour : incubator

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Artificial hatching of hen eggs by the Baker method
UMG22A73_008

Artificial hatching of hen eggs by the Baker metho...

A nurse feeds an infant in an incubator.
UMG22A17_191

A nurse feeds an infant in an incubator.

A nurse examines an infant in an incubator.
UMG22A17_225

A nurse examines an infant in an incubator.