Methods for non-destructive testing of pipes and tubes. Ultrasonic testing of ferrous pipes (excluding cast).

UNGÜLTIG herausgegeben am 31.7.1969

Methods for non-destructive testing of pipes and tubes. Automatic eddy current testing of wrought steel tubes.

UNGÜLTIG herausgegeben am 28.2.1986

Methods for non-destructive testing of pipes and tubes. Eddy current testing of non-ferrous tubes.

UNGÜLTIG herausgegeben am 7.7.1966

Acoustics. Reference zero for the calibration of audiometric equipment. Reference equivalent threshold sound pressure levels for pure tones and supra-aural earphones.

UNGÜLTIG herausgegeben am 15.5.2000

Acoustics. Reference zero for the calibration of audiometric equipment. Reference equivalent threshold force levels for pure tones and bone vibrators.

UNGÜLTIG herausgegeben am 15.8.1999

Acoustics. Reference zero for the calibration of audiometric equipment. Reference equivalent threshold sound pressure levels for pure tones in the frequency range 8 kHz to 16 kHz.

UNGÜLTIG herausgegeben am 15.2.2001

Acoustics. Reference zero for the calibration of audiometric equipment. Reference threshold of hearing under free-field and diffuse-field listening conditions.

UNGÜLTIG herausgegeben am 15.4.1998

Acoustics. Reference zero for the calibration of audiometric equipment. Reference threshold of hearing under free-field and diffuse-field listening conditions.

UNGÜLTIG herausgegeben am 31.10.2016

Acoustics. Standard reference zero for the calibration of pure tone air conduction audiometers.

UNGÜLTIG herausgegeben am 28.2.1992

Milk and milk products. Determination of residues of organochlorine compounds (pesticides). General considerations and extraction methods.

UNGÜLTIG herausgegeben am 15.9.2000