TY  - BOOK
ED  - Philips' Gloeilampenfabrieken.
TI  - Data handbook
U1  - 621.3815 
PY  - 1967///-
CY  - Eindhoven
PB  - Philips
KW  - Electronic apparatus and appliances
KW  - Electron tubes
KW  - fast
N1  - 1. Electron tubes. -- 2
ER  -