中国船舶工业总公司专利事务所举办的总公司“专利文献检索学习班”于5月28日至6月11日在北京举行。来自总公司厂、所、院校的近50名代表参加了学习。学习班由中国专利局文献服务中心的老师讲课,内容有美国、日本、西德、法国、英国、苏联、瑞士、欧洲专利局、PCT等国家和组织的专利文献,代表们重点学习了英国德温特公司出版的文献及检索方法。通过听课及为期三天的实习,代表们了解了世界主要国家和组织 China National Shipbuilding Corporation held a patent office of the parent company “patent literature retrieval classes” in May 28 to June 11 held in Beijing. Nearly 50 representatives from the headquarters, institutes and institutes participated in the study. The classes are taught by the teachers of the Documentation Service Center of the Chinese Patent Office. The content includes the patent documents of the United States, Japan, West Germany, France, the United Kingdom, the Soviet Union, Switzerland, the European Patent Office, the PCT and other countries and organizations. Documents and search methods published by Winterthur. Through lectures and three-day internships, delegates learned about the major countries and organizations in the world