GB/T 7584.2-1999

Active

Acoustics--Hearing protectors--Part 2:Estimation of effective A-weighted sound pressure levels when hearing protectors are worn

声学护听器第2部分:戴护听器时有效的A计权声压级估算

Standard Type

GBT

ICS

13.340.20

CCS

C71

Status

现行

Issue Date

1999-08-24

Implementation

2000-05-01

Responsible Dept

中国科学院

Drafting Unit

N/A

🔗 Related Standards / 同类标准

GB/T 8218-1987 Low voltage tester GB/T 12757-1991 Thermal protective aids for life-saving GB/T 12793-1991 Generic specification for installing and removal tools for connectors electrical contact GB/T 12903-1991 Personal protective equipment terminology GB/T 13640-1992 Size designation of protective clothing GB/T 16140-1995 Gamma spectrometry method for analysis of radionuclides in water GB/T 17599-1998 Protective clothine--Heatproof behaviour--Determination of behaviour of materials on impact of small splashes of molten metal GB/T 9953-1999 Immersion suits