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PRADELL FERRAN JOSE
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PRADELL FERRAN JOSE
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Application filed by PRADELL FERRAN JOSEfiledCriticalPRADELL FERRAN JOSE
Priority to ES0235304ApriorityCriticalpatent/ES235304A2/en
Publication of ES235304A2publicationCriticalpatent/ES235304A2/en
Improvements in the object of the patent no. 188676, issued on june 18, 1949, by procedure for the manufacture of elements for buildings, characterized in that in the application of the procedure to the construction of panel doors, the boards that form these are arranged panels fitted into grooves of complementary strips forming a frame around the panel and which are provided with means for fitting in turn a recess formed between the different layers of strips forming the door frame. (Machine-translation by Google Translate, not legally binding)
ES0235304A1957-04-251957-04-25Procedure for the manufacture of construction elements (Machine-translation by Google Translate, not legally binding)
ExpiredES235304A2
(en)