INSTITUTUL DE CERCETARI îN CONSTRUCTII SI ECONOMIA CONSTRUCTIILOR
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Priority to RO108017ApriorityCriticalpatent/RO85010B1/en
Publication of RO85010A2publicationCriticalpatent/RO85010A2/en
Publication of RO85010B1publicationCriticalpatent/RO85010B1/en
Inventia se refera la un surub pentru prinderea tablelor utilizate în constructii civile, industriale si agricole, la învelitori si pereti. Surubul este prevazut si cu posibilitati de strîngere a piulitei si contrastrîngere a celuilalt cap, pe partea accesibila.The invention relates to a screw for fastening the plates used in civil, industrial and agricultural constructions, to the roofs and walls. The screw is also provided with the possibility of clamping the nut and countering the other head on the accessible side.
RO108017A1982-06-301982-06-30Screw for securing plate sheets
RO85010B1
(en)
Construction system consisting of cold-formed sections with edges corrugated at a constant interval, and connecting and fixing devices engaging with these.