CORC

浏览/检索结果: 共1条,第1-1条 帮助

限定条件    
已选(0)清除 条数/页:   排序方式:
Vacuum type sand soil sample preparation machine, has bulkhead joint whose one end is connected with exhaust hole and other end is respectively connected with three-way ball valves. 专利
申请日期: 2018-01-01, 公开日期: 2018-03-30
作者:  YANG G YANG Q PEI H CHENG F
收藏  |  浏览/下载:12/0  |  提交时间:2019/12/02


©版权所有 ©2017 CSpace - Powered by CSpace