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Inventions MCQs – Certification Test 369

Stamps Trivia (Question 369) – App & e-Book Download

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MCQ 369: Postage Stamps were patented by:

  1. Sir Henry W. Seelay
  2. Sir Schuyler Skaats Wheeler
  3. Sir Walter Wingfield
  4. Sir Rowland Hill
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Stamps Trivia App Download: iOS & Android Apps

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8th Class Science Test Questions

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