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| More topics under "B29 - Working of plastics; Working of substances in a plastic state in general" (757,167) |
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| B29B - Preparation or pretreatment of the material to be shaped; Making granules or preforms; Recovery of plastics or other constituents of waste material containing plastics (55,221) | | B29C - Shaping or joining of plastics; Shaping of substances in a plastic state, in general; After- treatment of the shaped products, e.g. repairing (541,393) | | B29D - Producing particular articles from plastics or from substances in a plastic state (64,406) | | B29K - Indexing scheme associated with subclasses , or , relating to moulding materials or to materials for reinforcements, fillers or preformed parts, e.g. inserts (49,583) | | B29L - Indexing scheme associated with subclass , relating to particular articles (46,564) |
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