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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65/00
Joining; or sealing; of preformed parts; , e.g. welding of plastics materials; Apparatus therefor
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B29C65/02
by heating, with or without pressure
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B29C65/20
with direct contact, e.g. using "mirror"
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B29C65/2007
characterised by the type of welding mirror
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B29C65/2015
being a single welding mirror comprising several separate heating surfaces in different planes, e.g. said heating surfaces having different temperatures
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