Table 67. R&D ^ntensiveness of groups o< manufacturing industries, 



1960-70 



Source. National Science Foundation, Research and Development in Industry. 1970. {NSF 72-309). 



Table 68. R&D intensiveness in manufacturing Industries, 

 by company size, 1967-70 



Source. National Science Foundation. Hesearch and Development in Industry. 1970, (NSF 72-309). 



139 



