TY  - BOOK
TI  - A Manual telling how to use this electronic instrument to measure sound frequencies
U1  - 301 
PY  - 0000///s.f
CY  - [s.l.] : 
PB  - Conn Corporation , 
N1  - Engrapado; Fotocopia; Detailed Description -- Preparation for use -- Inspection, Lubrication, Maintenance -- Repair and service policy -- Accessories and replacement parts
ER  -