EU Trademark Classification EU17 Rubber and plastics goods Sealing membranes (Non-metallic -) Class 17 Sealing membranes (Non-metallic -) 38197 非金属密封膜 Chinese 非金属密封膜 English Sealing membranes (Non-metallic -) Site ref. 38197 Class 17 Included in Harmonised Database (HDB)