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Individual
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Individual
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Priority to ES91900UpriorityCriticalpatent/ES91900Y/en
Publication of ES91900UpublicationCriticalpatent/ES91900U/en
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Publication of ES91900YpublicationCriticalpatent/ES91900Y/en
Prefabricated plate for position of slate for roofing, characterized by that, it is constituted essentially by a rectangular parallelepiped block, tongue and groove longitudinally on its sides, which has also been made longitudinally, and on one of its larger faces, two grooves in dovetail which are properly filler areas for anchoring the fixing accessories of the slate. (Machine-translation by Google Translate, not legally binding)
ES91900U1962-03-121962-03-12
Prefabricated plate for laying roofing slate
ExpiredES91900Y
(en)
Perfected system for the construction of walls and partitions through prefabricated blocks. (Machine-translation by Google Translate, not legally binding)
Improvements in the formwork elements, particularly for sliding, mobile or rampaning formwork. (Machine-translation by Google Translate, not legally binding)