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Feng Ru
5 questions

Feng Ru

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PoisedPrehnite
Telescopes Through Time
15 questions

Telescopes Through Time

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AccomplishedBixbite
Print Culture and Its Impact
15 questions

Print Culture and Its Impact

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BetterSnowflakeObsidian
History of Radio Communication
15 questions
Patent Law in Canada: Basics Quiz
36 questions
History of Computing Devices Quiz
10 questions
Patent Application Requirements
32 questions

Patent Application Requirements

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EngrossingOrientalism5527
Stepped Reckoner Invention Quiz
9 questions
Key Events in US History: 1787 and 1793
46 questions
Innovations Throughout Human History
10 questions
19th Century Urban Reforms and Industrialists Quiz
18 questions
Evolución de las Telecomunicaciones
10 questions
History of Control Systems in Engineering
18 questions
The Power of Thinking
10 questions

The Power of Thinking

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AstoundingFriendship
History of Polymers Timeline Quiz
5 questions
John Logie Baird: Television Pioneer Quiz
10 questions
Geschiedenis van de Luchtvaart
5 questions
What are Gadgets?
8 questions

What are Gadgets?

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ConsummateTheme
History of Artificial Eyes and Lenses
24 questions
History of Technology and Engineering
16 questions
Invention and Evolution of the Multimeter
10 questions
Invention of Frequency Modulation
40 questions
Invention of the Computer
6 questions

Invention of the Computer

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EnrapturedHeliotrope3779
Invention of Spectacles Quiz
6 questions
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