CH375428A
(en )
1964-02-29
Extinguishing spark gap with disc-shaped electrodes and insulating spacers
CH387763A
(en )
1965-02-15
Surge arrester with at least one quenching spark gap and voltage-dependent resistors
AT185866B
(en )
1956-06-11
Surge arrester with spark gap and voltage-dependent resistive material
AT266967B
(en )
1968-12-10
Surge arrester with control resistors and pre-ionization spark gaps
CH423954A
(en )
1966-11-15
Surge arresters
CH443462A
(en )
1967-09-15
Spark gap arrangement for surge arresters
CH328238A
(en )
1958-02-28
Surge arrester with voltage-dependent resistance and quenching spark gap
AT184233B
(en )
1955-12-27
Surge arrester with electrode spark gaps
CH448238A
(en )
1967-12-15
Surge arrester with several extinguishing spark gaps and magnetic blowing through extinguishing coils
CH396181A
(en )
1965-07-31
Spark gap arrangement for surge arresters
FR1203455A
(en )
1960-01-19
spark gap with multiple intervals for lightning arresters with variable resistances
FR1248305A
(en )
1960-12-09
Variable resistance surge arrester
CH375785A
(en )
1964-03-15
Surge arresters
FR1144229A
(en )
1957-10-10
Surge arrester
FR1131799A
(en )
1957-02-27
Surge arrester
FR1132780A
(en )
1957-03-15
Surge arrester
FR1064302A
(en )
1954-05-12
Advanced surge arrester
FR1201913A
(en )
1960-01-06
Surge arrester valve
CH479174A
(en )
1969-09-30
Multiple spark gap for surge arresters
AT190997B
(en )
1957-07-25
Surge arresters
CA500060A
(en )
1954-02-16
Spark gap device and element thereof
AT183813B
(en )
1955-11-25
Gas-filled surge arrester
FR1155340A
(en )
1958-04-25
Surge arrester
AT174649B
(en )
1953-04-25
Surge arrester spark gap with pre-ionization
AT271608B
(en )
1969-06-10
Spark gap for surge arresters with magnetic blowing of the arc