ES9137U - Generator of calculating tables for mercantile, banking, industrial, technical, mathematical and similar uses. (Machine-translation by Google Translate, not legally binding)
- Google Patents
Generator of calculating tables for mercantile, banking, industrial, technical, mathematical and similar uses. (Machine-translation by Google Translate, not legally binding)
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Generator of calculating tables for mercantile, banking, industrial, technical, mathematical and similar uses, characterized by being constituted by a series of surfaces of any shape that overlap, starting from a fixed one on which other movable, formed base of transparent material, being able to be said property of the transparency to be replaced also by the intercalation of scales. (Machine-translation by Google Translate, not legally binding)
ES0009137U1943-11-121943-11-12
Calculator table generator for commercial, banking, industrial, technical, mathematical and similar uses.
ExpiredES9137Y
(en)
Generator of calculating tables for mercantile, banking, industrial, technical, mathematical and similar uses. (Machine-translation by Google Translate, not legally binding)