WHICH MACHINE, MECHANISM OR ARTICLE WOULD YOU LIKE TO INVENT? (31)

Nov 17, 2014 2:26 PM CST WHICH MACHINE, MECHANISM OR ARTICLE WOULD YOU LIKE TO INVENT?
GUZMAN1
GUZMAN1GUZMAN1Barcelona, Catalonia Spain65 Threads 44 Polls 5,101 Posts
In Europe innovation was in these levels in 2.012:

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How many great european inventors finally developed in the U.S.A. their achievements?:

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