GB1254917A
(en )
1971-11-24
Electromagnetic relay
GB459235A
(https= )
1937-01-04
GB1200321A
(en )
1970-07-29
Electromagnetic relays
GB1409200A
(en )
1975-10-08
Make-and-break electric contact arrangements
GB672391A
(en )
1952-05-21
Improvements in electromagnetic vibratory interrupters
GB966626A
(en )
1964-08-12
Improvements in or relating to electromagnetic relays
GB774832A
(en )
1957-05-15
Electro-magnetic relays
GB832775A
(en )
1960-04-13
An electromagnetic switching device
GB1015941A
(en )
1966-01-05
Electro-magnetic relays
GB945100A
(en )
1963-12-23
Improvements in polarised relays
GB851933A
(en )
1960-10-19
Improvements in or relating to electrical contact assemblies
GB809703A
(en )
1959-03-04
Improvements in and relating to electrical contactors
GB743705A
(en )
1956-01-25
Improvements in or relating to movable coil relays of the magnetic contact type
GB492487A
(en )
1938-09-21
Call system for telephonic line with multiple stations
GB855779A
(en )
1960-12-07
Improvements in or relating to electromagnetic relay arrangements
GB798445A
(en )
1958-07-23
Improvements in or relating to electromagnetically operated switches
GB760466A
(en )
1956-10-31
Improvements in electric fence units
GB695909A
(en )
1953-08-19
Improvements in apparatus for measuring recording or controlling ph
GB703635A
(en )
1954-02-10
Improvements relating to electrical contact springs
GB200927A
(en )
1923-07-23
Improvements relating to telegraph instruments
GB795363A
(en )
1958-05-21
Electromagnetic relays
GB266816A
(en )
1927-03-04
Improvements in or relating to electric relays
GB273452A
(en )
1927-07-07
Improvements in or relating to electrical protective relays
GB600302A
(en )
1948-04-06
Electro-magnetic telephone relay
GB1133628A
(en )
1968-11-13
Contact spring assembly, more especially for relays