BS 661:1969
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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Glossary of acoustical terms
Hardcopy
23-07-2013
English
31-07-1969
Includes the following sections: general, acoustical fundamentals, hearing and speech, transmission systems, transducers, instruments, recording and reproduction, architectural acoustics, music.
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