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Reference Number	D8/L3/86
Title	Papers re: Patent Application No. 13744/35 - Improvements in Gas Lighting Apparatus
Description	Correspondence with Barker, Brettell & Duncan, British and Foreign Patents, Trade Marks and Designs, Chartered Patent Agents, Birmingham, re: Cannon's patent application no. 13744/35 for improvements in gas lighting apparatus.
Date	May 1935-May 1936
AccessStatus	Open
Level	File

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