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falks: falks for street lighting equipment
Published in: Public Lighting Engineer No. 39, Vol. 10, October-December 1945
Published in: Public Lighting Engineer No. 40, Vol. 11, January-March 1946
Published in: Public Lighting Engineer No. 41, Vol. 11, April-June 1946
Published in: Public Lighting Engineer No. 42, Vol. 11, July-September 1946
Published in: Public Lighting Engineer No. 43, Vol. 11, October-December 1946
Published in: Public Lighting Engineer No. 44, Vol. 12, January-March 1947
Published in: Public Lighting Engineer No. 45, Vol. 12, April-June 1947
Published in: Public Lighting Engineer No. 46, Vol. 12, July-September 1947
Published in: Public Lighting Engineer No. 47, Vol. 12, Special Conference Issue November 1947
Published in: Public Lighting Engineer No. 48, Vol. 12, October-December 1947
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