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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27/00
Rolls,; roll alloys or roll fabrication; Lubricating, cooling or heating rolls while in use
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B21B27/02
Shape or construction of rolls
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B21B27/021
Rolls for sheets or strips
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B21B2027/022
Rolls having tapered ends
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