How many patents were granted to Chinese applicants by the paten

2024-07-27 01:32:41
商务英语阅读(05439)

How many patents were granted to Chinese applicants by the patent office in 2005?
A、about 214,003
B、about 171,200
C、about 2761,000
D、about 42,800
【正确答案】：B

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