Alloy Artifacts |
| Company Name (ID) | Factory Name | Number | Cert Date | Rept Date | Class | Suffix | Event | Notes |
|---|---|---|---|---|---|---|---|---|
| 大同工機 | 4-33 Daikai (大開) (1950-1953) | 1451 | 1952-05-13 | 1952-05-13 | B4604 | New | MR 1952-09 | |
| 4-33 Daikai (大開) (1950-1953) | 1451 | 1953-11-16 | 1953-11-16 | B4604 | Revoke | Presumed release/revoke | ||
| 新サンダー工業 | 4-32 Daikai (大開) (1953-) | 2722 | 1953-11-16 | 1955-12-31 | B4606 | Status | 1955 FNL |