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“蠕墨铸铁件技术条件”机械工业部部标准审定会于1986年9月18~20日在苏州召开,有30个单位的51名代表参加了会议.
“Compacted graphite cast iron technical conditions” Ministry of Machinery Industry Standards Review in 1986 September 18 to 20 held in Suzhou, 30 representatives of 51 units attended the meeting.