最初，刘延淮几乎以一人之力，主动担起了专利和知识产权信息专业化服务的拓荒重任。
At first Liu Yanhuai took the responsibilities for intellectual property rights and information service all by himself.
最初，刘延淮几乎以一人之力，主动担起了专利和知识产权信息专业化服务的拓荒重任。
At first Liu Yanhuai took the responsibilities for intellectual property rights and information service all...
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