~(13)N monitoring instrument
21 century electronic instrument of medicine
2227 Dual Scintillation Density Instrument
3302 auto components measuring instrument
64 channels circuit collection instrument
a bowed stringed instrument with a thin wooden soundboard
a Chinese wind instrument
A Simple Coupled Instrument for Hyperthermia
Aberration measuring instrument
AC measuring instrument
AC moving coil rectangular instrument
AC moving coil round instrument
AC moving iron rectangular instrument
AC moving iron round instrument
AC rectifying type rectangular instrument