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英國Mastrad
Mastrad is a leading worldwide supplier of Process Technology and manufacturer of Quality and Test Systems and for Petroleum, Asphalt, Highways, Concrete, Soils and Ceramics Laboratories and on-site use. Most of our products are British made and designed to meet the stringent International Standards of ASTM, AASHTO, SHRP, EN and BS. Mastrad is associated with the National Physical Laboratories.