Patent classifications
B
PERFORMING OPERATIONS; TRANSPORTING
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B29
WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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B29C
SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
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66/00
General aspects of processes or apparatus for joining preformed parts
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B29C66/01
General aspects dealing with the joint area or with the area to be joined
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B29C66/05
Particular design of joint configurations
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B29C66/20
particular design of the joint lines, e.g. of the weld lines
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B29C66/21
said joint lines being formed by a single dot or dash or by several dots or dashes, i.e. spot joining or spot welding
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