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US Trademark Classification

Installation, maintenance and repair of flare stacks for use in oil refineries 037-1631

炼油厂用火炬烟囱安装、维护和修理

Chinese 炼油厂用火炬烟囱安装、维护和修理
English Installation, maintenance and repair of flare stacks for use in oil refineries
Spanish Instalación, mantenimiento y reparación de antorchas para su uso en refinerías de petróleo
Term ID
037-1631
Class
37
Type
Services
Status
Active · added, not since modified (A)
Effective date
2021-05-13
Version
11-2021