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FERNANDEZ LEPEZ ANGEL
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FERNANDEZ LEPEZ ANGEL
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Priority to ES0264768ApriorityCriticalpatent/ES264768A3/es
Publication of ES264768A3publicationCriticalpatent/ES264768A3/es
Fremgangsmåde og apparat til i nærheden af enden af rør, der midlertidigt kan bringes i deformerbar tilstand, navnlig rør af termoplastik formstof såsom polyvinylklorid, at frembringe en indvendigt kalibreret udvidelse på en sådan måde, at røret atter er indsnævret til mindre diameter end udvidelsens i retning henimod den nærmeste rørende.