U.S. federal trademark · Serial No. 79412890 · Reg. No. 8208678
Equipment for treating urban and industrial waste water, using activated sludge and in accordance with continuous or discontinuous operation
Engineering services for optimization and rehabilitation of urban and industrial sewage treatment facilities; technical and scientific consulting in the field of sewage treatment technology for optimization and rehabilitation of urban and industrial sewage treatment facilities
Civil engineering for sanitation purposes in rural and urban areas; services for urban and industrial sewage treatment facilities, namely, installation, maintenance and repair of urban and industrial sewage treatment installations; construction and repair of sewage treatment plants
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