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Priority to ES1969151074UpriorityCriticalpatent/ES151074Y/en
Publication of ES151074UpublicationCriticalpatent/ES151074U/en
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Publication of ES151074YpublicationCriticalpatent/ES151074Y/en
Internal linkage for link chain for blinds, characterized for that purpose each of the slats will be made as many drilling incisions, as joint chains must carry the shutter, so that drills vertically and transversely from side to side, in trapezoidal hexohedral arrangement, which widens inferiorly in a semicylindrical concavity of low height. (Machine-translation by Google Translate, not legally binding)
ES1969151074U1969-08-061969-08-06
INTERNAL ARTICULATION BY LINK CHAIN FOR SHUTTERS.
ExpiredES151074Y
(en)