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Patented inventions of the C.S.I.R CSIR, New Delhi.

By: Material type: TextTextLanguage: English Publication details: New Delhi [s.n.] 1951Description: 555pDDC classification:
  • 608.3 P23P
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HMS Central Library, Jamia Hamdard, Hamdard Nagar, New Delhi -110062, INDIA