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TIELEN DESIGN
| TIELEN DESIGN Patent applications | ||
| Patent application number | Title | Published |
|---|---|---|
| 20080273425 | Pendulum Clock - A pendulum clock comprising a pendulum clockwork with acoustic signaling means contained in a housing wherein the housing comprises vertical surface elements made of metal, optionally comprising openings in a minor part of the surface thereof, and wherein the housing comprises at least one horizontal surface element wherein the ratio of the specific surface mass of one horizontal and of the vertical metal surface elements is at least 3. | 11-06-2008 |