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总公司于1997年5月9日在七○八所召开了自锁紧固件研讨会,质量技术监督局庞海涛副处长主持会议,综合规划计划局王书元处长介绍了有关弹簧垫圈的工作情况,
Head office held a seminar on self-locking fasteners at 708 on May 9, 1997. Deputy Director Pang Haitao of Quality and Technical Supervision presided over the meeting. Director General Wang Shuyuan of General Planning and Planning Bureau introduced the working status of the spring washers,