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• Active list of permissible explosives and blasting devices approved prior to June 30, 1941
• Active list of permissible explosives and blasting devices approved prior to June 30, 1942
• Active list of permissible explosives and devices approved previous to June 30, 1943
• Active list of permissible explosives and blasting devices approved previous to December 31, 1945
• Active list of permissible explosives and blasting devices approved previous to December 31, 1945 :supplement