FR1295672A
(en )
1962-06-08
Improvements to scintillometers
FR1282085A
(en )
1962-01-19
Improvements to spraying devices
FR1199271A
(en )
1959-12-11
Improvements to telephone devices
BE605930A
(en )
1961-11-03
Improvements to cleaning devices
FR1330199A
(en )
1963-06-21
Improvements to magnetoaerodynamic devices
FR1255398A
(en )
1961-03-10
Improvements to cowpers
BE597899A
(en )
1961-03-31
Improvements to telephone devices
BE609681A
(en )
1962-02-15
Improvements to telephone devices
FR1282224A
(en )
1962-01-19
Improvements to anti-rams
FR1269625A
(en )
1961-08-18
Improvements to taps
FR1282035A
(en )
1962-01-19
Improvements to telephone devices
FR1257388A
(en )
1961-03-31
Improvements to receiver-transmitter telephone devices
FR79372E
(en )
1962-11-23
Improvements to electromagnetic time devices
FR1299287A
(en )
1962-07-20
Improvements to telegraph devices
BE598899A
(en )
1961-07-10
Improvements to telegraph devices
FR1303984A
(en )
1962-09-14
Improvements to telephone devices
FR1275793A
(en )
1961-11-10
Improvements to telephone devices
FR1282222A
(en )
1962-01-19
Improvements to anti-ram devices
FR1244225A
(en )
1960-10-21
Improvements to tricoises
FR1252561A
(en )
1961-01-27
Improvements to scintillometers
FR1282802A
(en )
1962-01-27
Improvements to spectropolarimeters
FR1284001A
(en )
1962-02-09
Improvements to taps
FR1326364A
(en )
1963-05-10
Improvements to telephone sets
FR1326365A
(en )
1963-05-10
Improvements to telephone sets
FR1268621A
(en )
1961-08-04
Improvements to talking remote indicator devices