"The Manufacture d'Armes de Saint-Étienne, often abbreviated to MAS ("Saint-Étienne Weapons Factory" in English) was a French state-owned weapons manufacturer in the town of Saint-Étienne, Loire. ...
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Founded in 1764, it was merged into the French state-owned defense conglomerate GIAT Industries in 2001." - (en.wikipedia.org 10.08.2021)