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.
| CSA Group | |
|---|---|
| Product Category | Standards and Technical Documents |
| Product Number | ISO 9960-1:1992 |
| Product Name | Draughting instruments with or without graduation - Part 1: Draughting scale rules |
