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5 St 2 Jan 1928 Jahr - Thomas Midgley, Jr. invents coolant chemicals for air conditioners and refrigerators
Zugefügt zum Band der Zeit:
20th Century
By
Rafelle Marie Timog Allego
10 Feb 2018
0
0
651
Datum:
5 St 2 Jan 1928 Jahr
Jetzt
~ 96 years ago
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