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海利集團研制的水產養殖增氧系統失壓報警器獲國家知識產權局頒發的發明專利技術授權證書,成為國內同行業中唯一獲得發明專利的企業
來源: | 作者:pmo6271d8 | 發布時間: 2004-05-10 | 1826 次瀏覽 | 分享到:
海利集團研制的水產養殖增氧系統失壓報警器獲國家知識產權局頒發的發明專利技術授權證書,成為國內同行業中唯一獲得發明專利的企業
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