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Envawet Trademarks
ENVAWET
Chemical additives used for altering surface properties in the oil and gas industry
Registered
·
May 7, 2014
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86273857
·
ENVAWET
Organic surfactants used for altering the surface properties of various materials in the oil and gas industry
Abandoned
·
August 23, 2012
·
85711177
·
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