Revised Standard from Last Update.

NATIONAL FOREWORD

This Indian Standard (Part 1) (First Revision) which is identical with ISO 13567-1 : 2017 ‘Technical product documentation - Organization and naming of layers for CAD - Part 1: Overview and principle’ issued by the International Organization for Standardization (ISO) was adopted by the Bureau of Indian Standards on recommendation of the Drawing Sectional Committee and approval of the Production and General Engineering Division Council.