Rectangular all-cast moulding boxes of aluminium and magnesium alloys having inside dimensions: length from 600 to 800 mm, width 500; 600 mm, height from 125 to 200 mm. Construction
State system for ensuring the uniformity of measurements. Reference gauge-blocks of the 1st and the 2nd accuracy orders and working gauge-blocks of 00 and 0 accuracy classes up to 1000 mm. Methods and means for verification
