Feathers and Down - Terminology and Characteristics
Document status: [ Withdrawn ]
Terminologie et caracteristiques des plumes et du duvet
Document status: [ Withdrawn ]
Determination of Composition of Mixtures of Feathers and Down, by Manual Sorting
Document status: [ Withdrawn ]
Determination de la composition des melanges de plumes et de duvet par triage manuel
Document status: [ Withdrawn ]
Determination of Cleanliness of Plumage by Oxygen Number
Document status: [ Withdrawn ]
