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General Knowledge Competitive Exam: Certification Test 689

Hydraulic Invention Notes App & e-Book: MCQ 689

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MCQ: 689

Hydraulic fracturing technology was invented by

  1. Floyd Farris and John Bates Clark
  2. Lisa Meitner and George Stephenson
  3. John Bardeen and Walter Brattain
  4. William Shockley

Hydraulic Invention Competitive Exam: General Knowledge App & eBook Notes

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Hydraulic Invention Notes App (iOS & Android)

Hydraulic Invention Notes App

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General Knowledge Notes App

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