Graduation sharp and precise. Engraved on the brass industry. Reading 1 / 10 mm. A division = 0.1 mm aperture of the tip of the compass. Steel frame with quick-closing spring.
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€ |
| ART. 1920 |
opening mm 10 |
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| ART. 1930 |
opening mm 15 |
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| ART. 1940 |
opening mm 20 |
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