INTERNATIONAL PATENT: CHINA ACADEMY OF MACHINERY NINGBO ACADEMY OF INTELLIGENT MACHINE TOOL CO., LTD., 中国机械总院集团宁波智能机床研究院有限公司, CHINA ACADEMY OF MACHINERY ZHENGZHOU RESEARCH INSTITUTE OF MECHANICAL ENGINEERING CO., LTD., 中国机械总院集团郑州机械研究所有限公司 FILES APPLICATION FOR "HETEROGENEOUS MATERIAL-BRAZED JOINT WITH BRACHISTOCHRONE STRUCTURE AND PREPARATION METHOD THEREFOR"

GENEVA, Dec. 28 -- CHINA ACADEMY OF MACHINERY NINGBO ACADEMY OF INTELLIGENT MACHINE TOOL CO., LTD. (101 Kaiyuan Road, Damuwan New Town, Dandong Street, Xiangshan CountyNingbo, Zhejiang 315700), 中国机械总院集团宁波智能机床研究院有限公司 (中国浙江省宁波市象山县丹东街道大目湾新城开源路101号), CHINA ACADEMY OF MACHINERY ZHENGZHOU RESEARCH INSTITUTE OF MECHANICAL ENGINEERING CO., LTD. (No. 149 Kexue Avenue, Zhengzhou Hi-Tech Industries Development ZoneZhengzhou, Henan 450001), &#...