자료유형 | 단행본 |
---|---|
단체저자명 | American National Standards Institute.; American National Standards Institute; |
서명/저자사항 | (American National Standard)Methods for measuring the Real-Ear Attenuation of Hearing Protections(ANSI S12.6-1997) /American National Standards Institute |
발행사항 | United States:ANSI ,1997 |
형태사항 | 23p. ,28cm |