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Patents
Patents Assigned to DORIGHT CO., LTD.
Patents Assigned to DORIGHT CO., LTD.
Air preheater
Patent number:
D1017781
Type:
Grant
Filed:
November 2, 2022
Date of Patent:
March 12, 2024
Assignee:
DORIGHT CO., LTD.
Inventors:
Rugang Liu, Hongxia Lv, Zilong Zhu