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Patents Grantslast 30 patents

Information Patent Grant
Refractory protection layer for metallurgical furnace
- Patent number 10,415,883
- Issue date Sep 17, 2019
- CHINA ENFI ENGINEERING CORPORATION
- Budong Zheng
- F27 - FURNACES KILNS OVENS RETORTS

Patents Applicationslast 30 patents

Information Patent Application
REFRACTORY PROTECTION LAYER FOR METALLURGICAL FURNACE
- Publication number 20180172350
- Publication date Jun 21, 2018
- CHINA ENFI ENGINEERING CORPORATION
- Budong ZHENG
- F27 - FURNACES KILNS OVENS RETORTS
Information Patent Application
FUMING FURNACE WITH LEAD COLLECTING AND DISCHARGING FUNCTION
- Publication number 20170283907
- Publication date Oct 5, 2017
- CHINA ENFI ENGINEERING CORPORATION
- Dawei CUI
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...