22/12/1932 Improvements in tongs to sew papers by means of staples
Patent of introduction Nº 128.276
https://armia-eibar.eus/en/research/digital-archive/olave-solozabal-y-cia---el-casco/articles-for-office/original-patents/22-12-1932-improvements-in-tongs-to-sew-papers-by-means-of-staples
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22/12/1932 Improvements in tongs to sew papers by means of staples
Patent of introduction Nº 128.276