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An improved speedometer
An improved speedometer, Prasanta Chowdhury, Harish Chandra Barshilia, Arun Venkatesh Ainapur, Karaikudi Sankaranarayana Rajam, Patent No. IN289653 (Granted)
AN IMPROVED SPEEDOMETER
An improved speedometer, Prasanta Chowdhury, Harish Chandra Barshilia, Arun Venkatesh Ainapur, Karaikudi Sankaranarayana Rajam, Patent No. IN289653 (Granted)