U.S. federal trademark · Serial No. 88743369 · Reg. No. 6264026
Downloadable electronic publications, namely, a series of journals published periodically on subjects related to water and wastewater treatment, water pollution monitoring, water purification, developments in the science of water, theoretical principles of water treatment and technology, physical chemistry of water treatment processes, analytical water chemistry, analysis of natural and waste waters, water treatment technology and demineralization of water, biological methods of water treatment
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