No products
ISO 9175-1:1988 Tubular tips for hand-held technical pens using India ink on tracing paper -- Part 1: Definitions, dimensions, designation and marking
standard by International Organization for Standardization, 11/01/1988
The purpose is that a consistent line thickness within permissible tolerances is ensured with or without lettering giudes and templates. Applies to commonly used draughting operations such as tracing, writing and lettering. Part 2 deals with performance, test parameters and test conditions.
No products