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image-intensifier tube
meas.inst.	Bildverstärkerröhre f
nucl.phys., med.	Bildverstärkerrohr n; Bildwandlerröhre f
image intensifier tube
el.	Bildverstärkerröhre f
opt.	Bildverstärker m

image-intensifier tube: 2 phrases in 2 subjects

Optics branch of physics	1
Physics	1