<https://cn.element14.com/keithley/4299-14/dual-fixed-rack-mount-kit/dp/3296645>
<http://schema.org/name>
"机架安装套件, 双固定机架安装套件, KEITHLEY 2280, 2281, 2220, 2230G半机架仪器"
<https://cn.element14.com/keithley/4299-14/-/dp/3296645>