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(本刊讯)近日,重庆市勘测院正式收到国家知识产权局颁发的发明专利证书———钻孔灌注桩加固桥梁墩台结构及构造方法(专利号ZL2009 1 0103967.1)。
(Ben Kanxun) Recently, Chongqing Survey and Investigation Institute formally received the invention patent certificate issued by the State Intellectual Property Office --- the structure and construction method of the bridge abutment strengthened by bored pile (Patent No. ZL2009 1 0103967.1).