近日 ,武钢烧结厂接到国家知识产权局签发的“发明专利证书” ,该厂技术研究室发明的《一种用于降低人造富矿低温还原粉化率的方法》的新技术 ,获得国家发明专利 ;此前 ,5月上旬 ,该室研制的《工业用燃烧器点火电子枪》新产品 ,获国家知识产权局颁发的“实用新型专利证书”。武 Recently, WISCO received the “Invention Patent Certificate” issued by the State Intellectual Property Office and the new technology “A method for reducing the rate of low-temperature reduction and pulverization of man-made bonanza” invented by the Technical Research Laboratory of the plant and obtained the national invention patent Prior to this, in early May, the chamber developed the “industrial burner ignition electron gun,” a new product, won the State Intellectual Property Office issued a “utility model patent certificate.” Wu