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Individual
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Individual
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Priority to ES0005047UpriorityCriticalpatent/ES5047Y/en
Publication of ES5047UpublicationCriticalpatent/ES5047U/en
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Publication of ES5047YpublicationCriticalpatent/ES5047Y/en
An automatic gas pressure regulator-economizer, characterized by a perforated tube along its entire length with a spiral grooved fitting at one end. (Machine-translation by Google Translate, not legally binding)
ES0005047U1939-04-101939-04-10
Automatic gas pressure economizer-regulator.
ExpiredES5047Y
(en)