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B22C9/24—Moulds for peculiarly-shaped castings for hollow articles
B22C9/26—Moulds for peculiarly-shaped castings for hollow articles for ribbed tubes; for radiators
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FR900254D1940-10-241943-12-01Moule pour la coulée de cylindres à ailettes refroidis par l'air, de hauts de cylindres ou de pièces nervurées analogues
ExpiredFR900254A
(fr)