由船舶总公司船舶工艺研究所制成功的“LD系列金属脱脂剂”于1991年11月11日在沪通过了技术鉴定。技术鉴定会由船舶总公司委托上海船舶工业公司主持。出席会议的有有关使用单位、高等院校、研究院所等共13个单位20多位代表。由船舶工艺研究所研制成功的 The “LD series of metal degreasers” successfully manufactured by the ship’s head office’s Ship Technology Research Institute passed the technical appraisal in Shanghai on November 11, 1991. The technical appraisal meeting will be commissioned by the Shanghai Shipbuilding Corporation to be hosted by Shanghai Shipbuilding Industry Corporation. Attendance at the meeting included representatives from more than 20 institutions, including institutions, institutions of higher learning, and institutes. Successfully developed by the Ship Technology Research Institute