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thermoplastic composition based on polyvinyl alcohol may be subject, as such, the common methods of hot forming of thermoplastic materials, such as stamping and extrusion.for the production of manufactures, and articles so produced
thermoplastic composition based on polyvinyl alcohol may be subject, as such, the common methods of hot forming of thermoplastic materials, such as stamping and extrusion.for the production of manufactures, and articles so produced