Continuous annealing furnace, rolling bearing, annealing metho, and method of manufacturing inner and outer races of deeply groove ball bearing

公开/公告号GB9920253D0

专利类型

公开/公告日1999-10-27

原文格式PDF

申请/专利号GB19990020253

申请日1998-12-25

分类号B21H1/12;B21K1/04;B23P15/00;C21D1/32;C21D1/74;C21D3/04;C21D9/00;C21D9/40;C23C8/22;F16C33/62;F16C33/64;

国家 GB

入库时间 2022-08-22 02:08:59