海図21-025
| Index No. | 21-025 |
|---|---|
| Country | China / Korea |
| Area | Bohai Sea / Korea Bay |
| Publisher | Japanese Navy |
| Type | Nautical Chart |
| Scale | 1:12,100-1:500,000 |
| Year | 1931-1940 |
| Number of sheet | 14 |
地図資料目録
東アジア（中国・モンゴル）
| Index No. | 21-025 |
|---|---|
| Country | China / Korea |
| Area | Bohai Sea / Korea Bay |
| Publisher | Japanese Navy |
| Type | Nautical Chart |
| Scale | 1:12,100-1:500,000 |
| Year | 1931-1940 |
| Number of sheet | 14 |