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Inventions MCQs e-Book PDF | Portable Film Developing System App Download

Inventions Entrance Tests: Certification Test 238

Portable Film Developing System MCQs App Download & PDF e-Book - 238

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MCQ: 238

The portable film developing system was sold by Williams McCurdy to which one of the following?

  1. Sir Elijah McCoy
  2. Sir George Beers
  3. Sir George Eastmann
  4. Sir Alfred J.Gross

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Portable Film Developing System Textbook Tests: Inventions App & eBook MCQs

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Portable Film Developing System MCQs App (iOS & Android)

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General Knowledge MCQs App (Android & iOS)

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Mechanics of Materials MCQs App (Android & iOS)

Mechanics of Materials MCQs App

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Marine Pollution MCQs App