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GB/T 778.2-2007
Measurement of water flow in fully charged closed conduits - Meters for cold potable water and hot water - Part 2: Installation requirements
GB/T 778.3-2007
Measurement of water flow in fully charged closed conduits - Meters for cold potable water and hot water - Part 3: Test methods and equipment
GB/T 4854.8-2007
Acoustics - Reference zero for the calibration of audiometric equipment - Part 8: Reference equivalent threshold sound pressure levels for pure tone and circumaural earphones
GB/T 21194-2007
Generic reliability assurance requirements for optoelectronic devices used in telecommunications equipment
GB/T 21188-2007
Measurement of gas flow by means of critical flow Venturi nozzles
GB/T 21190-2007
Paper, board and corrugated fibreboard - Description and calibration of compression-testing equipment
GB/T 21227-2007
AC loss measurements - Magnetometer methods for hysteresis loss in Cu/Nb-Ti multifilamentary composites
GB/T 3386.2-2007
Electrical and pneumatic analogue chart recorders for use in industrial-process control systems - Part 2: Guidance for inspection and routine testing
GB/T 3386.1-2007
Electrical and pneumatic analogue chart recorders for use in industrial-process control systems - Part 1: Methods for performance evaluation
GB/T 21231-2007
Acoustics - Method for the measurement of airborne noise emitted by small air-moving devices
GB/T 21229-2007
Acoustics - Determination of sound power levels of noise from air-terminal devices,air-terminal units,dampers and valves by measurement in a reverberation room
GB/T 21228.1-2007
Acoustics - Sound-scattering properties of surfaces - Part 1: Measurement of the random-incidence scattering coefficient in a reverberation room
GB/T 21203-2007
Information technology - Office equipment - Method for measuring copying machine productivity
GB/T 21185-2007
Information technology - Office machines - Method of specifying image reproduction of colour copying machines by analog test charts - Realisation and application
GB/T 17248.6-2007
Acoustics - Noise emitted by machinery and equipment - Engineering method for the determination of emission sound pressure levels in situ at the work station and at other specified positions using sound intensity
GB/T 21232-2007
Acoustics - Guidelines for noise control in offices and workrooms by means of acoustical screens
GB/T 21230-2007
Acoustics - Guidelines for the measurement and assessment of exposure to noise in a working environment
GB/T 2260-2007
Codes for the administrative divisions of the People's Republic of China
GB/T 15566.8-2007
Guidance system for public information - Setting principles and requirements - Part 8: Hotel
GB/T 15566.7-2007
Guidance system for public information - Setting principles and requirements - Part 7: Sports place
