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Individual
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Priority to ES0044365UpriorityCriticalpatent/ES44365Y/en
Publication of ES44365UpublicationCriticalpatent/ES44365U/en
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Publication of ES44365YpublicationCriticalpatent/ES44365Y/en
Bolt wedge, especially for mines, characterized by consisting of several metal parts of grooved section that together form a tubular body and are joined at one end by a flange and at another point located towards the opposite end by a flexible clamp, having its edges sinuous and serrated for its good fit and towards its upper end an area with threaded turns, and at the joining edges of these ends triangular wedge interstices. (Machine-translation by Google Translate, not legally binding)
ES0044365U1954-10-071954-10-07
A wedge bolt, especially for munas
ExpiredES44365Y
(en)
Spring head for the introduction of cables that facilitate the override of obstacles found along the pipes. (Machine-translation by Google Translate, not legally binding)
A device for the unión of two pieces especially for the suspension of heavy skies and similar conductions (Machine-translation by Google Translate, not legally binding)