China owns over 3 mln domestic valid invention patents
BEIJING, Oct. 9 (Xinhua) -- The number of valid invention patents on the Chinese mainland has exceeded 3 million, with a rising proportion in the field of digit
Source: shanghaisun.com
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China sees growing number of invention patents: official
BEIJING, Jan. 12 (Xinhua) -- China has witnessed continuous growth in the number of invention patents over the past year, the country top intellectual property
Source: shanghaisun.com