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Priority to ES1972178018UpriorityCriticalpatent/ES178018Y/en
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Publication of ES178018YpublicationCriticalpatent/ES178018Y/en
Grill for the shoring of galleries that being designed to be arranged in variable number between the frames constituting the resistant frame, so as to cover the distance separating each two consecutive frames, is characterized essentially because it is constituted by a plurality of elements of the same length, substantially elongated and finished by their ends in foldings that facilitate their adjustment under pressure on the frames, whose elements are kept in situations spaced and parallel with the collaboration of other cross-sections, joined to them, which compose with them a kind of lattice. (Machine-translation by Google Translate, not legally binding)
ES1972178018U1972-03-081972-03-08
GRILL FOR THE ENTIBATION OF GALLERIES.
ExpiredES178018Y
(en)