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B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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
B29B13/00—Conditioning or physical treatment of the material to be shaped
B29B13/02—Conditioning or physical treatment of the material to be shaped by heating
B29B13/023—Half-products, e.g. films, plates
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FR812818A1958-12-181959-12-11
Method and installation of glazing a layer of resin on a sheet of paper or similar material
ExpiredFR1242666A
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