U.S. federal trademark · Serial No. 76211643 · Reg. No. 2676515
INSTALLATION AND MAINTENANCE SERVICES IN THE FIELD OF AIR QUALITY CONTROL
PRODUCT DEVELOPMENT ENGINEERING SERVICES; SMALL SCALE TESTING SERVICES; EMISSIONS MONITORING; PHYSICAL MODELING USING SCALE MODELS OF AIR-FLOW SYSTEMS; TECHNICAL SUPERVISION AND INSPECTIONS IN THE FIELD OF AIR QUALITY CONTROL AND INDUSTRIAL USE COMBUSTION
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