Standard specification for the acoustical properties of ear protectors (metric units).
Publisher: South African Bureau of Standards
Published: 1973
Place of publication: Pretoria
Language: eng
Number of pages: 12
Subjects: Ear -- Protection -- Standards -- South Africa.; Ear -- Protection -- Testing.; Sound -- Measurement.
Other titles: Akoestiese eienskappe van gehoorbeskermes (metrieke eenhede); Acoustical properties of ear protectors
Notes: "SABS 572-1973."

Added t.p. in Afrikaans: Die akoestiese eienskappe van gehoorbeskermers (metrieke eenhede).

Text in English and Afrikaans with Afrikaans text on inverted pages.