[ stop the slideshow ]

GRC-1965-C-74197

40275/1145206
GRC-1965-C-74197.jpg GRC-1965-C-74147ThumbnailsGRC-1965-C-74200GRC-1965-C-74147ThumbnailsGRC-1965-C-74200

Zero corrector equipment used to adjust electric current pressure during the test of solar cells