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Priority to ES0020968UpriorityCriticalpatent/ES20968Y/en
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Publication of ES20968YpublicationCriticalpatent/ES20968Y/en
New integrated roller shutter chain with two metal chains parallel to each other and connected at regular intervals by support sleeves of the movable shutter blades, whose sleepers are formed by a metal plate with the ends bent and each provided with a ring or link by means of which they are mounted on the chains, having at their center these plate sleepers, one or several holes of any section so that the cord or cord used for the folding of the shutter can pass through, the crossties mentioned can also be manufactured in certain cases of wire, single or double arm. (Machine-translation by Google Translate, not legally binding)
ES0020968U1949-09-201949-09-20
Chain for movable leaf blinds.
ExpiredES20968Y
(en)