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M00006896
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ISO 9957-3:1997
Fluid draughting media -- Part 3: Water-based coloured draughting inks -- Requirements and test conditionsstandard by International Organization for Standardization, 11/01/1997
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This part of ISO 9957 specifies the requirements and test conditions for water-based coloured draughting inks intended for use in tubular technical pens. The pen and ink combinations are intended primarily to provide for coloured lines and filled areas on natural tracing paper conforming to ISO 9961 and other draughting media.