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Relation of R&D expense to turnover and number of listed companies in all industrial fields https://t.co/41ja0eeOqJ
Relation of R&D expense to turnover and number of listed companies in all industrial fields https://t.co/41ja0eeOqJ
Relation of R&D expense to turnover and number of listed companies in all industrial fields https://t.co/41ja0eeOqJ