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Individual
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Individual
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Priority to ES66045ApriorityCriticalpatent/ES66045A2/en
Publication of ES66045A2publicationCriticalpatent/ES66045A2/en
ES66045A1917-12-221917-12-22
An opening procedure by means of a wire embedded in a slot or bed of the lid on tin cans for preserves.
ExpiredES66045A2
(en)