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Number of items: 3.
Council of Scientific and Industrial Research (1972) Improvements in or relating to process for making dry cells. 129034.
Council of Scientific and Industrial Research (1968) Improvements in or relating to anode material and electrolyte in primary wet cell of the leclanche type. 106806.
Council of Scientific and Industrial Research (1967) Improvements in or relating to leclanche type dry cells. 103216.
