首页>>国外专利>>SURFACE TREATMENT PROCESS FOR CERAMIC MECHANICAL SEAL RINGS OF PUMPS AND RING OBTAINED WITH SAID PRO
专利名称: | SURFACE TREATMENT PROCESS FOR CERAMIC MECHANICAL SEAL RINGS OF PUMPS AND RING OBTAINED WITH SAID PRO |
公开(告)号: | |
公开(公告)日: | 2008-08-06 00:00:00 |
申请(专利)号: | EP1951489 |
申请日: | 2006-10-12 00:00:00 |
发明(设计)人: | MECCANOTECNICA UMBRA S P A (IT) |
(申请)专利权(人): | ZAMBOTTO ITALO (IT);VALENTINI FRANCESCO (IT) |
内容: |
发布日期:2008-11-27 15:06:00