DS/IEC 723-3-1:1987 Inductor and transformer cores for telecommunications. Part 3: Blank detail specification: Magnetic oxide cores for broad-band transformers. Assessment levele A and B
1987DS/IEC 723-3-1:1987 Inductor and transformer cores for telecommunications. Part 3: Blank detail specification: Magnetic oxide cores for broad-band transformers. Assessment levele A and B