中交一航院4项技术创新成果获国家实用新型专利授权中交一航院4項技術創新成果穫國傢實用新型專利授權 중교일항원4항기술창신성과획국가실용신형전리수권 The utility Model Patent Awarded by SIPO of P.R.C.for 4 Items of Technology Innovation Achievement of CCCC First Navigational Engineering Design Institute Co., Ltd.
万方数据
港工技术港工技術항공기술 PORT ENGINEERING TECHNOLOGY 2009年1期8,37,共2页
