TY  - BOOK
ED  - Siemens Aktiengesellschaft 
TI  - Communications test equipment
U1  - 381.45621380973 19
PY  - 1977///
CY  - West Germany
PB  - Siemens Aktiengesellschaft
KW  - Telecommunication systems testing equipment industry
KW  - United States
KW  - Market surveys
N1  - "5092-30"--Cover; Includes index
ER  -