RunFei
RF-1800/810 manual: http://web.archive.org/web/20110313101116/http://www.runfei.com.cn:80/software/rf.doc
RF-3148
https://www.vipprogrammer.com/rf3148-usb-universal-programmer-intelligent-chip-tester-programmer-784
"this (no longer available) RunFei RF-3148 programmer I have has a "Read secured IC" function and a "Special protect" function for at89c52. however the documentation indicates that the latter requires an adapter that's unobtainium"