FR1239676A
(en )
1960-08-26
Signaling arrangement for telephone devices
BE580569A
(en )
1960-01-11
Improvements to printing devices.
FR1221268A
(en )
1960-06-01
Improvements to facsimile devices
BE577259A
(en )
1959-10-01
Improvements to facsimile devices.
BE584859A
(en )
1960-05-20
Signaling circuit.
BE605930A
(en )
1961-11-03
Improvements to cleaning devices
FR1240441A
(en )
1960-09-02
Improvements to facsimile devices
BE591107A
(en )
1960-11-23
Improvements to electromechanical signaling devices.
OA01310A
(en )
1969-02-15
Further training in interconnection devices, particularly applicable to synchronizers.
BE575424A
(en )
1959-08-05
Improvements to screening devices.
FR1199408A
(en )
1959-12-14
Improvements to signaling devices
FR1236833A
(en )
1960-11-21
Improvement in signaling devices, in particular light signaling
BE581515A
(en )
1959-12-01
Improvements to cleaning devices.
FR1223811A
(en )
1960-06-20
Improvements to telegraphic printing devices
BE597557A
(en )
1961-03-15
Improvements to electrolytic devices.
FR1214556A
(en )
1960-04-11
Improvements to perforating devices
BE578396A
(en )
1959-11-05
Improvements to translation devices.
BE581516A
(en )
1959-12-01
Improvements to electrical devices.
BE607761A
(en )
1962-03-01
Improvements to telegraph devices.
BE586625A
(en )
1960-05-03
Improvements to refrigeration devices.
BE578397A
(en )
1959-11-05
Improvements to telegraphic printing devices.
BE577343A
(en )
1959-10-03
Signaling receiver.
FR1208622A
(en )
1960-02-24
Improvements made to time devices
BE573776A
(en )
1959-06-11
Improvements to telerprimers devices.
FR1299287A
(en )
1962-07-20
Improvements to telegraph devices