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Electrical appts. housing structure - has hinged lid with control circuit secured to underside and input keyboard projecting through access apertures
Electrical appts. housing structure - has hinged lid with control circuit secured to underside and input keyboard projecting through access apertures
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机译：电气设备。外壳结构-带有铰链盖，控制电路固定在底侧，输入键盘从检修孔伸出
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摘要
The electronic appts. has a structure in the form of a box (1) with a hinged lid (2) which opens to reveal a control circuit on a printed circuit panel (7). The latter is secured to the underside of the lid and has information input devices in the form of keys at a keyboard projecting through holes in the lid. The control circuit is connected through flexible wires (9) to a utilisation unit (8) secured to the base of the box and comprising a further printed circuit board. The mounting of the control and utilisation circuits provides for easy access and changeability, and avoids the use of separate modules for each circuit.
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