Patent classifications
B
PERFORMING OPERATIONS; TRANSPORTING
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B65
CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
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B65B
MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
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17/00
Other machines, apparatus, or methods for packaging articles or materials
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B65B17/02
Joining articles, e.g. cans, directly to each other for convenience of storage, transport, or handling
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B65B17/025
the articles being joined by a top carrier element
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