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The Telephone Handset Notes Questions and Answers PDF (Telephone Handset Quiz Answers PDF eBook) download Test 175 to learn inventions online courses. Practice Inventions and Inventors MCQ questions, Telephone Handset Multiple Choice Questions (MCQ) for online college degrees. The Inventions Notes App Download: Free Telephone Handset App to learn super soaker, escalator, integrated circuits, telephone handset test prep for taking online classes.
The MCQ: In which one of following year, Telephone handset was discovered; "Inventions Notes" App (iOS, Android) with answers: 1816, 1845, 1808, and 1878 for online education. Study inventions and inventors questions and answers, Google eBook to download free chapter for online school and college.
In which one of the following year, Telephone handset was discovered?
In which one of the following year, integrated circuits were invented?
In which one of the following year, escalator was patented?
Super soaker was discovered by
The photo phone was invented by an American scientist named as
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