Alloy Artifacts |
| Company | Name and Years of Operation | ID | Factory Name and Years | Factory Address |
|---|---|---|---|---|
| 松戸利器製作所 | Matsudo Riki Seisakusho (1933 - 1937) | MRS | Matsudo (松戸) (1933 - 1963) | 松戸市根本442 |
| 松戸製作所 | Matsudo Seisakusho (1937 - 1955) | MRS | Matsudo (松戸) (1933 - 1963) | 松戸市根本442 |
| 松戸工具 | Matsudo Kōgu (1955 - 1963) | MRS | Matsudo (松戸) (1933 - 1963) | 松戸市根本442 |