EP-4530553-A4 - NON-METAL LINER AND ELECTRIC WATER HEATER HAVING SAME
EP4530553A4EP 4530553 A4EP4530553 A4EP 4530553A4EP-4530553-A4
Inventors
- MA TENG
- Zeng Xianmang
- ZHAO XIAOYONG
- DU FANGLIN
- LI YONG
- ZHAO LONG
- YU YONGFEI
Assignees
- QINGDAO ECONOMIC AND TECH DEVELOPMENT DISTRICT HAIER WATER HEATER CO LTD
- HAIER SMART HOME CO LTD
Dates
- Publication Date
- 20260506
- Application Date
- 20221205
- Priority Date
- 20220602