COPRO DocumentCertificate fileLaboratory
COPRO is the author of documents listed below.
Technical prescriptions for elastomeric seals Part 1: Vulcanized Rubber
Technical prescriptions for prefabricated synthetic liners for manholes and inspection chambers Product requirements
Technical prescriptions for prefabricated synthetic liners for manholes and inspection chambers System requirements
Road restraints systems
Tariff regulation for product certification of cast iron road materials
Batch control tariff revision 2023