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gauge block, gauge block accessories, level ruler, standard flat crystal, plane flat crystal, parallel flat crystal, plane equal thickness interferometer, platform plate, knife edge ruler, knife edge square ruler, three edge ruler, four edge ruler, flat ruler, square ruler calibrator, square box, grinding flat ruler, filter, angle block, angle gauge, combined angle gauge, angle gauge, angle gauge, sine gauge, right angle ruler, goniometer, polyhedral prism, Multi tooth…
Doorgaan