BS-1815 (Part 1) - 1952; Enamelled and Cotton-Covered Copper Conductors (Oleo-Resinous enamel) Part 1 Round Wire
BS-1815 (Part 1) - 1952; Enamelled and Cotton-Covered Copper Conductors (Oleo-Resinous enamel) Part 1 Round Wire
- London BSI 1952
- 11p
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