GBJ 121-1988

Acounstics-criteria for evaluation of sound insulation of construction

STANDARD published on 31.3.1988

English, Chinese -
electronic design (pdf) (248.80 USD)

The information about the standard:

Designation standards: GBJ 121-1988
Note: WITHDRAWN
Publication date standards: 31.3.1988
Country: Chinese technical standard
Category: Technical standards GB