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Priority to ES0070874UpriorityCriticalpatent/ES70874Y/en
Publication of ES70874UpublicationCriticalpatent/ES70874U/en
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Publication of ES70874YpublicationCriticalpatent/ES70874Y/en
An improved rod for thermometers, essentially characterized by the fact of presenting the longitudinal cavity destined to contain the thermometric column located before a list, parallel and immediate to it, of a color that stands out perfectly by contrast between two white lists or a very light color which, in longitudinal juxtaposition, flanks it, the three lists being in such form fully embedded in the body of the glass rod in which said longitudinal cavity is immediately applied to them, so that it clearly stands out on the central list the height reached by the thermometric column. (Machine-translation by Google Translate, not legally binding)
ES0070874U1958-12-231958-12-23
Improved thermometer rod
ExpiredES70874Y
(en)
Procedure for the manufacture of thermometers in which the central hole comprises a colored wall (Machine-translation by Google Translate, not legally binding)