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Patent classifications
B
PERFORMING OPERATIONS; TRANSPORTING
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B27
WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
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B27H
BENDING WOOD OR SIMILAR MATERIAL; COOPERAGE; MAKING WHEELS FROM WOOD OR SIMILAR MATERIAL
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3/00
Manufacture of constructional elements of tubes, coops, or barrels
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B27H3/02
Manufacture of barrel staves
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