海図21-023
| Index No. | 21-023 |
|---|---|
| Country | China |
| Area | South China Sea |
| Publisher | Japanese Navy |
| Type | Nautical Chart |
| Scale | 1:6,000-1:97,000 |
| Year | 1904-1943 |
| Number of sheet | 53 |
地図資料目録
東アジア（中国・モンゴル）
| Index No. | 21-023 |
|---|---|
| Country | China |
| Area | South China Sea |
| Publisher | Japanese Navy |
| Type | Nautical Chart |
| Scale | 1:6,000-1:97,000 |
| Year | 1904-1943 |
| Number of sheet | 53 |