申请日期 | 2025-07-27 | 申请号 | JP2002010196 |
公开(公告)号 | JP4030091B2 | 公开(公告)日 | 2008-01-09 |
公开国别 | JP | 申请人省市代码 | 全国 |
申请人 | KONOSHIMA CHEMICAL | ||
简介 | FIELD : compression refrigeration machines. ^ SUBSTANCE : regenerative material is defined by the formula R2O2S, where R represents at least one of rare-earth elements such as La, Ce, Pr, Nd, Sm, Eu, Cd, Tb, Dy, Ho, Er, Tm, Yb, Ly, and Y. The regenerator provided with nozzle made of regenerative material on the basis of rare-earth metal oxysulfide comprises oxysulfide of rare-earth metal defined by the formula R2O2S. ^ EFFECT : prolonged service life. ^ 25 cl, 8 dwg, 17 tbl, 28 ex |
您还没有登录,请登录后查看下载地址
|