a phase detection and phase detector, especially for defektoskopuPISKORSKI STANISLAWSOLNICA WITOLDLEWINSKA-ROMICKA ANNA
ZARIZENI K MERENI TLOUSTKY, SIRKY A K DEFEKTOSKOPU POVRCHOVYCH TRHLIN PASOVE OCELIThe invention relates to a device for measuring the thickness and width of flat steel and testing for surface cracks therein. The object of the invention is to improve the quality assessment of the flat steel...