Issued Patents 2019
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10254192 | Combination test method by using argon as gross-leak test tracer gas and using helium as fine-leak test tracer gas | Genglin Wang, Lijun Dong | 2019-04-09 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10254192 | Combination test method by using argon as gross-leak test tracer gas and using helium as fine-leak test tracer gas | Genglin Wang, Lijun Dong | 2019-04-09 |