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    nirjharroy.in
      • Home
      • site developed by nirjhar roy
      • list of books
      • Workshop Technology Vol 1
      • workshop  technology vol 2
      • ELEMENTS OF MECHANICAL ENGINEERING
      • FLUID MECHANICS: THEORY, NUMERICAL PROBLEMS AND SOLUTIONS
      • industrial management
      • heatengines
      • production management
      • Contact
      • Gallery
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      • Home
      • site developed by nirjhar roy
      • list of books
      • Workshop Technology Vol 1
      • workshop  technology vol 2
      • ELEMENTS OF MECHANICAL ENGINEERING
      • FLUID MECHANICS: THEORY, NUMERICAL PROBLEMS AND SOLUTIONS
      • industrial management
      • heatengines
      • production management
      • Contact
      • Gallery
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