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为配合我国专利工作的开展,向我国机械行业介绍国内外机械专利文献,促进我国机械技术的发展,本刊特开辟此专栏。本刊条目的著录格式如下: 国际专利分类号国别代码文献号申请日期 B24B31/00 JP56—135932 1981.8.31 立体仿形加工把连接销型的零件分成A、B、C三部分,基本部分由数字电子计算机进行数控加工。然后,在连按A、C的过渡部分用二分角线把过渡直角分成一定角度在连接部C、B的过渡
In order to cooperate with the development of our patent work, we introduce the domestic and foreign mechanical patent documents to our country’s machinery industry and promote the development of our country’s mechanical technology. Bibliographical reference The format of the entry is as follows: International Patent Catalog Number Country Code Document Number Application Date B24B31 / 00 JP56-135932 1981.8.31 Three-dimensional profiling The part of the connecting pin type is divided into A, B, C three parts, the basic part of the Digital computer for CNC machining. Then, in the press of A, C of the transitional part of the bisector of the transitional angle into a certain angle at the transition part C, B