25/04/1950 Machine for making staples for sewing papers and analogues
Patent of invention Nº 192.674
https://armia-eibar.eus/en/research/digital-archive/olave-solozabal-y-cia---el-casco/articles-for-office/original-patents/patente-no192.674
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25/04/1950 Machine for making staples for sewing papers and analogues
Patent of invention Nº 192.674