Spring suspension for a low-frequency geophone
作者： Walter P Johnson
DOI:
关键词: Geophone 、 Geology 、 Low frequency 、 Suspension (vehicle) 、 Composite material 、 Spring (device)
摘要:
lens.org 参考文章(2)
John W Millington, Apparatus for changing the resonant frequency of a seismic detector ,(1952)
Harold A Yantis, Robert G Elliott, Compound diaphragm spring ,(1965)