A.A.Brown & Sons Processes - Colour Case Hardening
A.A.Brown & Sons
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A.A.Brown & Sons Processes - Colour Case Hardening
26 676 просмотров · 6 лет назад
A.A.Brown & Sons
866 подписчиков
26 676 просмотров · 6 лет назад
A video about the process of colour case hardening at A.A.Brown & Sons gunmakers.
