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Notebook computer, abbreviated as notebook, also known as "portable computer, laptop, palmtop computer or notebook computer"
A display is an I/O device of a computer, specifically an output device.
All-in-one machines are divided into multi-function printers and computer all-in-ones.
Air conditioning unit components
An air conditioner is a mechanical device that cools and reduces temperature. Air conditioners generally have similar appearances.

Telephone parts
Key words:
Automotive Plastic Products, Mold Manufacturing, Automotive Plastic Mold
Classification:
Laptop product series
- Detailed description
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- Commodity name: Telephone parts
A telephone is a terminal device that transmits voice signals bidirectionally via electrical signals.
A telephone is a terminal device that transmits voice bi-directionally via electrical signals. Historical improvements and inventions related to telephones include: carbon microphones, manual telephone switchboards, rotary dialers, automatic telephone exchanges, stored program control telephone exchanges, dual-tone multi-frequency dialing, and voice digital sampling. New technologies include: ISDN, DSL, analog mobile phones, and digital mobile phones.
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