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A utility model patent certificate for a tailpipe water hose rack and fixing device used in automobiles

A utility model patent certificate for a tailpipe water hose rack and fixing device used in automobiles

Certification body: Intellectual Property Office

Certificate Number: No. 12749112

Validity period: From 2021 to present

A utility model patent certificate for a tailpipe water hose rack and fixing device used in automobiles

A sewage monitoring system for drainage vehicles - utility model patent certificate

A sewage monitoring system for drainage vehicles - utility model patent certificate

Certification body: Intellectual Property Office

Certificate Number: No. 12788257

Validity period: From 2021 to present

A sewage monitoring system for drainage vehicles - utility model patent certificate

A utility model patent certificate for a pneumatic sliding maintenance door used in the unit room of automobiles

A utility model patent certificate for a pneumatic sliding maintenance door used in the unit room of automobiles

Certification body: Intellectual Property Office

Certificate Number: No. 13068942

Validity period: From 2021 to present

A utility model patent certificate for a pneumatic sliding maintenance door used in the unit room of automobiles

A sensor device for sewage monitoring - utility model patent certificate

A sensor device for sewage monitoring - utility model patent certificate

Certification body: Intellectual Property Office

Certificate Number: No. 12774197

Validity period: From 2021 to present

A sensor device for sewage monitoring - utility model patent certificate

A quick installation mechanism for the armrest of a power assisted water hose retractable cart - utility model patent certificate

A quick installation mechanism for the armrest of a power assisted water hose retractable cart - utility model patent certificate

Certification body: Intellectual Property Office

Certificate Number: No. 12766757

Validity period: From 2021 to present

A quick installation mechanism for the armrest of a power assisted water hose retractable cart - utility model patent certificate

A power assisted water hose retractable cart - utility model patent certificate

A power assisted water hose retractable cart - utility model patent certificate

Certification body: Intellectual Property Office

Certificate Number: No. 12395039

Validity period: From 2021 to present

A power assisted water hose retractable cart - utility model patent certificate