FR1283074A
(en )
1962-01-27
Subscriber telephone installation
BE615948A
(en )
1962-07-31
Assembly for telecommunications installations, in particular telephony
CH439409A
(en )
1967-07-15
Telephone switching installation
CH412023A
(en )
1966-04-30
Telecommunications installation
NL142556B
(en )
1974-06-17
TELEPHONE SWITCHING SYSTEM WITH PBX CENTRALS.
FR1514128A
(en )
1968-02-23
Assembly for telecommunications installations, and in particular telephony
FR1474363A
(en )
1967-03-24
Assembly for telecommunications installations, in particular for telephone installations
BE615229A
(en )
1962-07-16
Assembly for telecommunications installation, in particular telephony
FR1415506A
(en )
1965-10-29
Assembly for telecommunications installations, in particular telephony
FR1342827A
(en )
1963-11-15
Private switchboard for several subscribers
FR1474364A
(en )
1967-03-24
Assembly for telecommunications installations and in particular telephony
FR1340130A
(en )
1963-10-11
Digit translator, especially for automatic telephone exchanges
FR1407638A
(en )
1965-07-30
Assembly for telecommunications installations, in particular telephony
FR1392969A
(en )
1965-03-19
Assembly for telecommunications installations, in particular telephony
FR1292367A
(en )
1962-05-04
Connection terminal
FR1430499A
(en )
1966-03-04
Assembly for telecommunication installations, and in particular telephony
FR1346860A
(en )
1963-12-20
Assembly for telecommunication networks, and in particular automatic telephony
FR1260422A
(en )
1961-05-05
Assembly for telecommunications installation, in particular telephony, with frequency selection
FR1447615A
(en )
1966-07-29
Assembly for telecommunication installations, and in particular telephony
FR1437849A
(en )
1966-05-06
Assembly for telecommunication installations, and in particular telephony
NL140120B
(en )
1973-10-15
SPEAKING TELEPHONE.
BE592090A
(en )
1960-10-17
Assembly for telecommunications installation, in particular telephony, with frequency selection.
FR1394668A
(en )
1965-04-02
Assembly for telecommunication installations, in particular for automatic telephony installations
FR1513702A
(en )
1968-02-16
Assembly for telecommunications installations, and in particular telephony
FR1521744A
(en )
1968-04-19
Assembly for telecommunications installations, and in particular telephony