Butterfly valve seating arrangement
作者： Gaffin Harry
DOI:
关键词:
摘要:
lens.org 参考文章(3)
Herbert A Swallow, Vilbiss Thomas A De, Automatic pressure sealing device ,(1944)
Miller Trevlyn Whittal, Valve or cock ,(1941)
Koppers Dr-Ing E H Heinrich, Drosselklappe mit rohrfoermigem Gehaeuse ,(1939)