IS/ISO 9179 : PART 1 : 1988 : Technical Drawings - Numerically Controlled 13 Draughting Machines - Part 1 : Vocabulary

NATIONAL FOREWORD

This Indian Standard which is identical with IS0 9179-1 : 1988 ‘Technical drawings-Numerically controlled daughting machines-Part 1 : Vocabulary’, issued by International Organization for Standardization (ISO), was adopted by the Bureau of Indian Standards on the recommendation of the Optical and Mathematical Instruments Sectional Committee (LM 20) and approval of the Light Mechanical Engineering Division Council.