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Electrical Installation Conference London 1971.
Proceedings of the 1971 Electrical Installation Conference, 30th November and 1st December 1972 [sic] held at Savoy Place, London WC2R OBL, England
![Proceedings of the 1971 Electrical Installation Conference, 30th November and 1st December 1972 [sic] held at Savoy Place, London WC2R OBL, England](https://covers.openlibrary.org/b/id/4776203-L.jpg)