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Daniel Geli antonio
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Daniel Geli antonio
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Priority to ES1969152017UpriorityCriticalpatent/ES152017Y/en
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Publication of ES152017YpublicationCriticalpatent/ES152017Y/en
Photometry And Measurement Of Optical Pulse Characteristics
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Lenses
(AREA)
Abstract
Improved barometer-altimeter characterized by comprising a sphere of barometer with its rear mechanism and corresponding needle to which a second sphere is superimposed, this transparent, in which appears the altimeter graduation, being firmly attached to the ring of set closure and that has the ability to turn for the possible setting of the altimeter to measure relative heights. (Machine-translation by Google Translate, not legally binding)
Improvements in the construction of barometers with adjustable scales, mutually for the indication of time and barometric pressure. (Machine-translation by Google Translate, not legally binding)