国际发明专利4个 1.Welding protective agent for gas-free protection of weld back and preparation method,2022.01.11,排名2 2.Material flow mechanism of muffle roller type mesh belt quenching furnace,2022.05.30,排名2 3.Appliance Storage Structure for Maintaining Muffle Roller Type Mesh Belt Quenching Furnace,2022.02.23,排名2 4.Product Quality Tester for Isothermal Quenching Furnace of Binder Clip,2021.09.29,排名2 国家发明专利2个 1.一种耐磨损高导磁功能涂层的原料制备和施工方法,2021.6.29,排名2 2.一种铁基非晶纳米晶双相结构复合涂层及制备方法,2022.05.06,排名3 |