An American national standard :
An American national standard : IEEE recommended practice for cement plant electric drives and related electrical equipment /
sponsor Cement Industry Committee of the IEEE Industry Applications Society
- 21 páginas
"approved april 14, 1989. ieee industry applications society" Ansi/ieee std. 499-1989 (revision of ansi/ieee std. 499-1893) "approved septiember 13, 1989. american national standards institute"
Cemento--Plantas--Equipo y aparatos--Normas
TP882 / I44
"approved april 14, 1989. ieee industry applications society" Ansi/ieee std. 499-1989 (revision of ansi/ieee std. 499-1893) "approved septiember 13, 1989. american national standards institute"
Cemento--Plantas--Equipo y aparatos--Normas
TP882 / I44