Download or read book GB T 13344 2019 Translated English of Chinese Standard GBT 13344 2019 GB T13344 2019 GBT13344 2019 written by https://www.chinesestandard.net and published by https://www.chinesestandard.net. This book was released on 2020-11-13 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Standard specifies terms and definitions, models and basic parameters, technical requirements, test methods, inspection rules as well as marks, packaging, transport and storage for down-the-hole hammers and bits. This Standard is applicable to down-the-hole hammers and bits that are powered by compressed air or a mixed medium of compressed air and water.