ISO 9960-1:1992 PDF
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Draughting instruments with or without graduation — Part 1: Draughting scale rules
Specifies the main requirements and the accuracy of draughting scale rules, and their graduations in SI units. Two types of draughting scale rules are covered: those for hand use and those for manually operated draughting machines, both for professional use only. Scale rules for use in schools are not included.
| Edition | 1992 |
|---|---|
| Standard Part No | 1 |
| Published Date | 1992 |
| Published By | International Standardization Organisation |
| Page Count | 9 |
