为做好1999年机械行业标准化工作，研究提出1999年机械行业标准化工作任务，审查协调1999年机械行业国家标准和行业标准制修订计划，复核机械行业标准报批稿，机械科学研究院于1999年5月12日至14日在北京组织召开了机械行业标准化工作会议。来自机械行业的有关标准化技术委员会 In order to improve the standardization of the machinery industry in 1999, the study put forward the task of standardizing the machinery industry in 1999, reviewing and coordinating the revision of the national standards and industry standards of the machinery industry in 1999, reviewing the draft for approval of the machinery industry, and the Institute of Mechanical Science and Technology in 1999 5 From January 12 to January 14, a standardization conference for machinery industry was held in Beijing. From the mechanical industry standardization Technical Committee