Sign in
|
English
|
Terms of Use
Dictionary
Forum
Contacts
German
⇄
English
Russian
G
o
o
g
l
e
|
Forvo
|
+
Abbe-Apertometer
opt.
Abbe apertometer
(for measuring numerical aperture)
Add
|
Report an error
|
Get short URL
|
Language Selection Tips
