Acoustics; threshold of hearing by air conduction as a function of age and sex for otologically normal persons.
NORMA vydána dne 1.12.1984
Designation standards: E DIN ISO 7029:1984-12
Note: NEPLATNÁ
Publication date standards: 1.12.1984
The number of pages: 14
Approximate weight : 42 g (0.09 lbs)
Country: German technical standard
Kategorie: Technické normy DIN
Akustik; Luftleitungshörschwelle in Abhängigkeit von Alter und Geschlecht otologisch normaler Personen.