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Individual
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Individual
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Priority to ES0053514UpriorityCriticalpatent/ES53514Y/en
Publication of ES53514UpublicationCriticalpatent/ES53514U/en
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Publication of ES53514YpublicationCriticalpatent/ES53514Y/en
Improved block for copying groups, characterized essentially by the fact that each of the groups forming the block has on one of its edges a notch of appropriate shape and dimensions, leaving all the notches of alternating groups aligned in the same position and offset in relation to the recesses of the contiguous groups which, in turn, are also aligned in their corresponding position. (Machine-translation by Google Translate, not legally binding)
ES0053514U1956-03-241956-03-24
Enhanced Block for Copy Groups
ExpiredES53514Y
(en)