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Guangke Alex
Guangke Alex  created a new article
@guangke123456
4 yrs ·Translate

Know Development History of Lawn Lamp | #lawn lamp highbay light manufacturer

Know Development History of Lawn Lamp
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Know Development History of Lawn Lamp

In 1879, Edison of the United States successfully extended the life of incandescent bulbs to more than 40 hours. In 1910, the Cooley Hall in the United States used tungsten filaments as filaments and invented the tungsten filament light bulb.
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