GB/T 22512.1-2012

Petroleum and natural gas industries - Rotary drilling equipment - Part 1Rotary drill stem elements

STANDARD published on 9.3.2012

English, Chinese -
electronic design (pdf) (1882.80 USD)

The information about the standard:

Designation standards: GB/T 22512.1-2012
Publication date standards: 9.3.2012
Country: Chinese technical standard
Category: Technical standards GB