GB/T 4963-1985

Abolished

Normal equal-loudness contours for pure tones under free field listening conditions

自由场纯音标准等响线

Standard Type
GBT
ICS
N/A
CCS
A42
Status
废止
Issue Date
1985-02-28
Implementation
1985-10-01
Responsible Dept
中国科学院
Drafting Unit
N/A