Release Time:2019-10-08 Hits:
First Author: Chen GQ
Disigner of the Invention: 李娜娜,Wenlong Zhou
Application Number: CN201110324001.8
Authorization Date: 2011-10-21
Authorization Number: CN102503135A
Prev One:稠油井用水套炉自动控温阀
Next One:铜合金熔炼用覆盖剂