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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37/00
Component parts, details, accessories or auxiliary operations, not covered by group B29C33/00 or B29C35/00
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B29C37/0067
Using separating agents during or after moulding; Applying separating agents on preforms or articles, e.g. to prevent sticking to each other
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B29C37/0075
using release sheets
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