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Table 1.Comparison of 1996 and 1997 R&D, employment, and sales of top 500 corporations in R&D, by detailed sector

 

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Table 2. Comparison of 1996 and 1997 capital expenditure, R&D/sales ratio, and R&D/employment ratio of top 500 corporations in R&D, by detailed sector

 

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Table 3. Comparison between top 500 corporate R&D levels and industry-survey R&D levels: 1997

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