GB/T 22512.1-2012

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

NORMA vydána dne 9.3.2012

Anglicky a čínsky -
Elektronické PDF (39570.80 CZK)

The information about the standard:

Designation standards: GB/T 22512.1-2012
Publication date standards: 9.3.2012
Country: Chinese technical standard
Kategorie: Technické normy GB