26/09/1928 Cam system for rotating the cylinder of revolvers
Patent of invention Nº 107.864
https://armia-eibar.eus/en/research/digital-archive/olave-solozabal-y-cia---el-casco/arms/patentes-originales-de-el-casco/patente-no107.864
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26/09/1928 Cam system for rotating the cylinder of revolvers
Patent of invention Nº 107.864
