Withdrawn
WITHDRAWN
ISO/R 1680:1970
WITHDRAWN
ISO 1680-1:1986
95.99
Withdrawal of Standard
Oct 14, 1999
WITHDRAWN
ISO 1680:1999
Acoustics — Test code for the measurement of airborne noise emitted by rotating electrical machinery — Part 1: Engineering method for free-field conditions over a reflecting plane
95.99 Withdrawal of Standard