刘延龙
中铁二十三局集团第二工程有限公司
刘延龙来自中铁二十三局集团第二工程有限公司,专利298件。擅长桥梁架设、特种轨道、模芯心轴、道床排水、桥梁零件。最擅长桥梁架设。排名在TOP1。双向可调无档肩承轨槽模具是存续时间最长的专利。与中铁二十三局集团有限公司合作195次,与翟勇合作135次。
中铁二十三局集团第二工程有限公司
刘延龙来自中铁二十三局集团第二工程有限公司,专利298件。擅长桥梁架设、特种轨道、模芯心轴、道床排水、桥梁零件。最擅长桥梁架设。排名在TOP1。双向可调无档肩承轨槽模具是存续时间最长的专利。与中铁二十三局集团有限公司合作195次,与翟勇合作135次。
申请日: 20260225 公开日: 20260331 申请人: 中铁二十三局集团有限公司
申请日: 20230529 公开日: 20260327 申请人: 中铁二十三局集团有限公司
申请日: 20230529 公开日: 20260327 申请人: 中铁二十三局集团有限公司
申请日: 20260120 公开日: 20260313 申请人: 中铁二十三局集团第一工程有限公司
申请日: 20221012 公开日: 20251212 申请人: 中铁二十三局集团轨道交通工程有限公司
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