össze nem függő zsugori Rajt when was the trampoline invented Hitelesítő adatok Kontinens íz
How the Trampoline Came to Be | Innovation| Smithsonian Magazine
The Invention of the Trampoline - YouTube
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George Nisson, inventor of the trampoline, lives in San Diego's UTC | San Diego Reader
George Nissen: Inventor of the trampoline | The Independent | The Independent
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Did You Know The Trampoline Was Invented In This Iowa Town?
Jumpoline Family Fun on Twitter: "George Nissen was an American gymnast and inventor who developed the modern trampoline. #jumpoline #familyfun #colorado #aurora #trampoline https://t.co/uCVzwsnJal" / Twitter
Did You Know?: Olympic origin | Iowa Now
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FEBRUARY 3: trampoline inventor born | BEST TEENAGERS EVER
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Who Invented the first Trampoline - George Nissen - YouTube
Did You Know The Trampoline Was Invented In This Iowa Town?
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Trampoline Inventor Saw Sport Enshrined in Olympics - WSJ
George Nissen dies at 96; inventor of the modern trampoline - Los Angeles Times
One Of The Most Famous Iowa Inventions Is The Trampoline
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George Nisson, inventor of the trampoline, lives in San Diego's UTC | San Diego Reader