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Frederick Gardner Cottrel develops the electrostatic smoke precipitator (smokestakc pollution scrubber) (1 ene 1906 año – 1 ene 1908 año)
Añadido al timeline:
20th Century
By
Rafelle Marie Timog Allego
10 feb 2018
0
0
658
fecha:
1 ene 1906 año
1 ene 1908 año
~ 2 years
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