| http://www.w3.org/ns/prov#value | - It is from 3 to 350 ??m, in particular from 4 to 300 ??m, preferably from 5 to 250 ??m, the base layer (B) preferably making up from 5 to 97% of the total thickness. [0051] The invention also provides a process for producing the polyester film of the invention by coextrusion. [0052]
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