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Umkehrsystem n
industr., constr.	erecting eyepiece
optiq.	erecting system (optical relay used in visual instruments for changing the orientation of the image so that the observer sees it in its proper attitude, i. e. right-handed and erect); inverting system (optical relay used in visual instruments for changing the orientation of the image so that the observer sees it in its proper attitude, i. e. right-handed and erect)
phys.	erecting system; image-erecting system; inversion system
science d., électr.	system of rotation
techn.	erector tube

Umkehrsystem : 4 phrases, 2 sujets

Études culturelles	2
Physique	2