電鑽
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電鑽是機械工業、建築工業和裝修行業常用的工具。十九世紀奧地利人Arthur James Arnot和William Blanch Brain將電動機和鑽子合裝在一起，發明了最早的電鑽[1]
- ^ Specifications for registration of patent by William Blanch Brain and Arthur James Arnot titled - Improvements in electrical rock drills coal diggers and earth cutters。 National Archives of Australia (1889)