Patent classifications
B
PERFORMING OPERATIONS; TRANSPORTING
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B21
MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
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B21B
ROLLING OF METAL
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25/00
Mandrels for metal tube rolling mills, e.g. mandrels of the types used in the methods covered by group B21B17/00; Accessories or auxiliary means therefor; ; Construction of, or alloys for, mandrels or plugs
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B21B25/02
Guides, supports, or abutments for mandrels, e.g. carriages; or steadiers; Adjusting devices for mandrels
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