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B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
B21B—ROLLING OF METAL
B21B5/00—Extending closed shapes of metal bands by rolling
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FR929889D1946-06-271946-06-27
Method and device for casting and rolling strips and in particular strips of iron or steel or iron-based alloys
ExpiredFR929889A
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