Representative country of application |
: | 中国 |
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Application number |
: | 201910973085.4 |
Publication number |
: | 111057851 |
Patent number |
: | ZL201910973085.4 |
Date of filing |
: | 2019/10/14 |
Date of publication |
: | 2020/04/24 |
Date of patent |
: | 2021/10/22 |
International patent classification |
: | C22B 7/00(2006.01):C22B 21/00(2006.01):B01D 45/12(2006.01):B01D 50/00(2006.01) |
Published unexamined patent application |
: | |
Link for Patent Gazette |
: |
Access From 2021.3.1 |
: |
- Accesses |
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