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Switzerland
Instructors
Seminars
| Title | Location | City | Start date | End date | Instructor | Details |
| Basics of Exploration (BOE) | Switzerland | Horgen | 2012-03-02 | 2012-03-04 | Helmut Spangler | Details |
| Exploration Diver Level I | Switzerland | Horgen | 2012-03-14 | 2012-03-18 | Helmut Spangler | Details |
| Gas Blender | Switzerland | Horgen | 2012-03-31 | 2012-03-31 | Helmut Spangler | Details |
| Basics of Exploration (BOE) | Switzerland | Horgen | 2012-04-13 | 2012-04-15 | Helmut Spangler | Details |
| Gas Blender | Switzerland | Horgen | 2012-06-09 | 2012-06-09 | Helmut Spangler | Details |
| Basics of Exploration (BOE) | Switzerland | Horgen | 2012-06-29 | 2012-07-01 | Helmut Spangler | Details |
| Exploration Diver Level I | Switzerland | Horgen | 2012-07-11 | 2012-07-15 | Helmut Spangler | Details |
| Gas Blender | Switzerland | Horgen | 2012-08-11 | 2012-08-12 | Helmut Spangler | Details |
| Basics of Exploration (BOE) | Switzerland | Horgen | 2012-08-31 | 2012-09-02 | Helmut Spangler | Details |
| Exploration Diver Level I | Switzerland | Horgen | 2012-09-05 | 2012-09-09 | Helmut Spangler | Details |
| Basics of Exploration (BOE) | Switzerland | Horgen | 2012-10-12 | 2012-10-14 | Helmut Spangler | Details |
| Gas Blender | Switzerland | Horgen | 2012-11-03 | 2012-11-03 | Helmut Spangler | Details |
| Gas Blender | Switzerland | Horgen | 2012-12-08 | 2012-12-08 | Helmut Spangler | Details |
| Basics of Exploration (BOE) | Switzerland | Horgen | 2012-12-14 | 2012-12-16 | Helmut Spangler | Details |
| Basics of Exploration (BOE) | Switzerland | Horgen | 2021-05-11 | 2012-05-13 | Helmut Spangler | Details |