GB/T 19531.4-2004

Technical requirement for the observational environment of seismic stations--Part 4:Underground fluid observation

NORMA vydaná dňa 21.6.2004

The information about the standard:

Designation standards: GB/T 19531.4-2004
Publication date standards: 21.6.2004
Country: Chinese technical standard
Kategória: Technické normy GB