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G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
G08B15/00—Identifying, scaring or incapacitating burglars, thieves or intruders, e.g. by explosives
G08B15/02—Identifying, scaring or incapacitating burglars, thieves or intruders, e.g. by explosives with smoke, gas, or coloured or odorous powder or liquid
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FR900365D1943-12-041943-12-04Procédé de protection contre le vol par armes chimiques
ExpiredFR900365A
(fr)