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.
Status : PublishedPublication date : 1992-07
Edition : 1Number of pages : 9
Technical Committee:Technical product documentation
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