NB/T10377-2019 Coal mine rock tunneling air column charging surface blasting technical requirements

Standard Number: NB/T10377-2019(NB/T10377-2019)
Chinese:煤矿岩巷掘进空气柱装药光面爆破技术要求
English:Coal mine rock tunneling air column charging surface blasting technical requirements

Effective Date:2020-07-01
Standard Applicability:

PDF Downloadable: Y

You can click the button below to purchase the PDF version, and we will send it to you via email.

Click below to buy the printed version. Shipped via FedEx within 7 days. Full refund if out of stock.

If you encounter the following issues, please click here to contact us, and we will do our best to assist you.
1. You cannot find the standard document you are looking for on our website.
2. You have found the standard document, but our page indicates that PDF download is not available.
3. You need to purchase our translated version.