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Priority to ES56211ApriorityCriticalpatent/ES56211A1/en
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ES56211A1913-08-121913-08-12
A device to illuminate the interior of ovens for bakeries, pastries and the like, called "Modern Erref Lighthouse".
ExpiredES56211A1
(en)
An apparatus for lighting the interior of ovens for baking, pastry shops and the like, called Erref Modern Lighthouse, made of virgin iron, cast iron, copper, brass or the like.