In depth Study Tools Complete Interference Diffraction Set Size 50x50mm
ab 7,64 €
The side length of the square is 0.2mm, and the side length of the rectangle is 0.6 0.28mm. Grid: grid is composed of 90 degree cross lines, 20, 40, 60 lines/MM respectively. 1 x 1" round hole grid.
Jetzt bei Ebay: