| Original language | Chinese (Traditional) |
|---|---|
| Patent number | 140756 |
| IPC | B23K-020/10 |
| Priority date | 20-03-30 |
| Filing date | 00-03-31 |
| Publication status | Published - 2001 Aug 11 |
| Original language | Chinese (Traditional) |
|---|---|
| Patent number | 140756 |
| IPC | B23K-020/10 |
| Priority date | 20-03-30 |
| Filing date | 00-03-31 |
| Publication status | Published - 2001 Aug 11 |