近日,由太原市北郊区政府工作人员李太根等人设计研制的新型实用发明——防盗防压井盖,通过了国家专利局的初步审查,并获得专利证书.这项具有普遍推广价值的专利填补了山西省专利史上的一项空白.随着城乡建设的迅速发展,为道路、地面的大量 Recently, a new type of practical invention, the anti-theft and pressure-proof manhole cover, was designed and developed by the staff of the government of the northern suburb of Taiyuan City, such as Li Taigang, which passed the preliminary examination of the State Patent Office and obtained the patent certificate. This patent with universal promotion value has filled in Shanxi patent history of a blank. With the rapid development of urban and rural construction, for the road, a large number of ground