| IMPA编码 | 370201 |
| 产品单位 | PCE |
| Title | CLOCK RADIO ROOM QUARTZ 200MM |
| Description | For use in radio rooms. The diameter of the dial is 200 mm with the numerals 1 - 12 on the outer edge and the numerals 13 - 00 on the inner side showing international time. Seconds are marked clearly in red between the hour numerals. There are two 3 minute silent periods at 15 and 45 minutes past the hour marked in red for emergency signals, and two 3 minute silent periods at 0 and 30 minutes in green for distress signals. The clock has 2 hour hands, one to be set in Greenwich Mean Time and |
| IMPA版本 | 8th Edition |
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