1850: Koops, J.H.
Chinese maritime customs service record
- ID: 1850
- Surname: Koops
- Forename: J.H.
- Nationality: German
- Date of first appointment: 01/06/1896
- Position on first appointment: Watcher
- Date withdrew: 01/12/1896
- Port on withdrawal: Wuhu
- Position on withdrawal: Probationary Tidewaiter
- Mode of withdrawal: Resigned