11/02/1927 Certificate of registration of the Argentine brand "BETY"
11/02/1927 Certificate of registration of the Argentine brand "BETY"Patent Nº 103.285https://armia-eibar.eus/en/research/digital-archive/olave-solozabal-y-cia---el-casco/arms/patentes-originales-de-el-casco/patente-no103.285https://armia-eibar.eus/logo.png
11/02/1927 Certificate of registration of the Argentine brand "BETY"
