Alloy Artifacts |
| Company Name | ID | Factory Name | Number | Date | Class | Suffix | Type | Notes |
|---|---|---|---|---|---|---|---|---|
| 三木熱錬工業所 | Fukui (描并) (1940-1967) | 1976 | 1952-11-10 | B4630 | S | New | 1952 SR | |
| 三木ネツレン | ▮▮ | Fukui (描并) (1940-1967) | 1976 | 1967-10-16 | B4630 | S | New | 1967 CL |
| ▮▮ | Bessho (別所) (1962-) | 585007 | 1985-05-08 | B4606 | New | 1999 SR | ||
| ▮▮ | Bessho (別所) (1962-) | JQ0507042 | 2007-10-05 | B4606 | H | New | JQA ended 2022-07-29 | |
| ▮▮ | Bessho (別所) (1962-) | JQ0507043 | 2007-10-05 | B4630 | H | New | JQA website |