Specific polymers obtained by polycondensation or polyaddition not provided for in a single one of index codes [CPC: B32B2363/00] - [CPC: B32B2383/00]
Specific polymers obtained by polycondensation or polyaddition not provided for in a single one of index codes [CPC: B32B2363/00] - [CPC: B32B2383/00]