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Individual
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Individual
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Priority to ES109743UpriorityCriticalpatent/ES109743Y/en
Publication of ES109743UpublicationCriticalpatent/ES109743U/en
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Publication of ES109743YpublicationCriticalpatent/ES109743Y/en
Perforating, Stamping-Out Or Severing By Means Other Than Cutting
(AREA)
Abstract
Plate for teaching stitches characterized by being constituted by a sheet having on its surface a plurality of perforations arranged according to lines that have to determine a pattern on the front of the sheet on whose face some complementary details of the figure to be obtained are written on the opposite or reverse side the perforations are numbered according to the natural series of numbers but in altered positions whose numbers must be followed by passing a thread or thread through the perforations to determine on the obverse the figure in question. (Machine-translation by Google Translate, not legally binding)
ES109743U1964-11-111964-11-11
A PLATE FOR TEACHING STITCHES.
ExpiredES109743Y
(en)
A board, with its complementary pieces, for the practice of arithmetic operations by the blind (Machine-translation by Google Translate, not legally binding)
Improvements introduced in the manufacture of construction elements that include perforations (Machine-translation by Google Translate, not legally binding)