115 HUMBOLDT MANUFACTURING CO. 2525 Atlantic Avenue, Raleigh, NC 27604 919-832-3190, 800-537-4183 Web: www.humboldtmfg.com Contacts: Dennis Burgess, President Grant Graff, Sales Director Mark Jackson, East Coast Technical Sales Manager Email: [email protected] Direct: 919-278-7470 Toll Free: 1-800-537-4183 Ext. 7470 Asphalt Testing Equipment Featuring: Nuclear Moisture Density Gauges, Balanced Mix Design Equipment, Marshall Testing Equipment, Road Quality Testing Equipment
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