STAS 1925-1968 Tolerance and calibration system for STAS system. Internal diameter of a single internal combustion engine cylinder in sizes from 1 to 500 mm, precision level 7
1969STAS 1925-1968 Tolerance and calibration system for STAS system. Internal diameter of a single internal combustion engine cylinder in sizes from 1 to 500 mm, precision level 7