loading preview...
summary
Y32.9-1972 - American National Standard Graphic Symbols for Electrical Wiring and Layout Diagrams Used in Architecture and Building Construction
description
Standard number: Y32.9-1972. Status: Active. DOI: 10.1109/IEEESTD.1972.118968
Details
Publisher
IEEE
File size
698.67 KB
Pages
42
Format
PDF
Publication date
1972-12-01