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Reverse osmosis techniques began in the 1970’s as a approach to get massive quantities of pure water for industrial purposes. The previous Indian Patents Act (1970) recognized patents on pharmaceutical ‘processes’, but not on ‘products’, allowing domestic pharmaceutical firms to provide low-cost copies of patented medication made by international firms using different production methods.\n\nThe Revolutionary Warfare did retard the development of the iron trade, and the gross domestic product ( GDP )—which right now can only be very crudely estimated—most likely declined somewhat during and immediately following that warfare. In a traditional article in 1961, Thomas Cochran argued that the …