NF E60-136:1976 TEST CONDITIONS FOR TURRET AND SINGLE SPINDLE CO-ORDINATE DRILLING AND BORING MACHINES WITH TABLE OF FIXED HEIGHT WITH VERTICAL SPINDLE. HIGH ACCURACY MACHINES. TESTING OF THE ACCURACY.
1976NF E60-136:1976 TEST CONDITIONS FOR TURRET AND SINGLE SPINDLE CO-ORDINATE DRILLING AND BORING MACHINES WITH TABLE OF FIXED HEIGHT WITH VERTICAL SPINDLE. HIGH ACCURACY MACHINES. TESTING OF THE ACCURACY.