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Individual
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Individual
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Priority to ES0230550ApriorityCriticalpatent/ES230550A3/en
Publication of ES230550A3publicationCriticalpatent/ES230550A3/en
Improvements in the upper draw frames, in which for each compression cylinder a flexible compressive force is provided, providing for another flexible compressive force which, acting through an appropriate investment member, acts on the upper bit. (Machine-translation by Google Translate, not legally binding)
ES0230550A1956-08-241956-08-24Improvements in the upper correºve mauares (Machine-translation by Google Translate, not legally binding)
ExpiredES230550A3
(en)