GB/T 4128-1995
Active
GB/T 14199-1993
Replaced
National standards
GB/T 14199-1993 General specification for pocket hearing aids
GB/T 14199-1993 General specification for pocket hearing aids
Basic Information
Standard Code:
GB/T 14199-1993
Standard Type:
National standards
Standard Status:
Replaced
is_force_gb:
no
CCS Name:
Audio equipment, electroacoustic devices
ICS Name:
Electroacoustics
Publish Date:
1993-03-20
Implement Date:
1993-10-01
Pages:
13 pages
Development Information
Superseded by the following standards
Related Standards
GB/T 15953-1995
Replaced
GB/T 15953-1995 Instruments for the measurement of aural acoustic impedance/admittance
GB/T 16540-1996
Active
GB/T 16540-1996 Acoustics—Measurement and characterisation of ultrasonic fields in the frequency range 0.5MHz to 15MHz—Hydrophone method
YY/T 0458-2003
Replaced
YY/T 0458-2003 Technical requirements for ultrasonically blood-mimicking Doppler phantom
GB/T 20441.4-2006
Active
GB/T 20441.4-2006 Measurement microphones—Part 4:Specifications for working standard microphones
GB/T 15261-2008
Active