|
US4357072A
|
|
Sealing optical fibres into packages
|
|
US4337461A
|
|
Volume control mechanism for a bell assembly
|
|
US4336417A
|
|
Cover assemblies for electrical apparatus
|
|
US4306238A
|
|
Microwave landing systems
|
|
DE3014676A1
|
|
Liquid phase epitaxy of garnet film on pairs of substrates - sepd. by lead oxide powder applied before growth to minimise bridging
|
|
DE3007822A1
|
|
MAGNETIC BUBBLE DEVICE
|
|
US4313184A
|
|
Sonar systems
|
|
DE2952785A1
|
|
RECEIVER FOR A MESSAGE TRANSMISSION SYSTEM WORKING WITH EXPANDED SIGNAL SPECTRUM
|
|
US4304461A
|
|
Optical fibre connectors
|
|
ZA7906152B
|
|
Telecommunications system incorporating portable communications units
|
|
US4317063A
|
|
Pyroelectric detectors
|
|
US4296999A
|
|
Optical fibre connectors
|
|
US4284888A
|
|
Pyroelectric detectors
|
|
US4303920A
|
|
Radar systems
|
|
JPS5530888A
|
|
Method of forming semiconductor field effect structure
|
|
IT7924583D0
|
|
Transistorised inverter for DC to AC phase(s) - has current transformer primary in output line and secondary in base drive circuit of inverter
|
|
DE2929312A1
|
|
Transistorised inverter for DC to AC phase(s) - has current transformer primary in output line and secondary in base drive circuit of inverter
|
|
US4298925A
|
|
Transistorized invertor
|
|
NL7905255A
|
|
Frequency modulator.
|
|
US4258357A
|
|
Alarm signalling systems
|
