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9 h 16 min, 5 févr. 1869 ans - Westinghouse invents air break for RR

Description:

George Westinghouse had over 400 patents to his name

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AP US History

ByZoe
10 mai 2018
1
0
1290

Date:

9 h 16 min, 5 févr. 1869 ans
Maintenaint
~ Il y a 155 ans
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