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浅谈过磷酸钙行业标准之修订湛焕珍（湖北双环化工集团公司，应城４３２４０７）全国肥料和土壤调理剂标准化技术委员会１９９４年年会于１９９４年１１月３０日至１２月３日在上海召开。会议审查了中华人民共和国过磷酸钙新的行业标准，并以ＨＧ２７４０—９５公开发布。...
On the superphosphate industry standards revision Zhan Huanzhen (Hubei Shuanghuan Chemical Corporation, Yingcheng 432407) National fertilizer and soil conditioner standardization Technical Committee 1994 annual meeting in November 30, 1994 to December 3 in Shanghai Held. The meeting reviewed the People’s Republic of new superphosphate industry standards, and to HG2740-95 public release. ...