by
Roy, Robin, author.
Format:
Alıntı:
consumer products from vacuum cleaners to mobile phones from their original inventions to the present day
by
Tolchin, Edith G., edited by.
Format:
Alıntı:
Secrets of successful inventing : from concept to commerce / Tolchin, Edith G., edited by.
by
Thiel, Peter A.
Format:
Alıntı:
marginally richer by building new copies of old inventions, making horizontal progress from "1 to n." But
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