Thermocouple through casing anti-flight, self-compression, adjustable insertion depth device [P]
Note:
Meng Zhaoming, Ai Peng, Qi Xiangjie, Sun Zhongning, Zhang Nan, Ding Ming, Bian Haozhi, Zhou Yanmin, Gu Haifeng. Thermocouple through casing anti-flight, self-compression, adjustable insertion depth device [P]. Heilongjiang Province: CN113624354A,2021-11-0
Service Invention or Not:
no