BE596084A
(en )
1961-04-17
Improvement brought to vennes.
BE593757A
(en )
1960-12-01
Improvements to electro-precipitators.
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.
BE586636A
(en )
1960-05-03
Improvements to fittings.
FR1240441A
(en )
1960-09-02
Improvements to facsimile devices
BE588061A
(en )
1960-06-16
Improvements to turbomachines.
BE594854A
(en )
1961-01-02
Improvements to combustion devices.
BE580013A
(en )
1959-10-16
Improvements to valves.
BE594836A
(en )
1961-01-02
Improvements to turbo-hydraulic couplers.
BE597899A
(en )
1961-03-31
Improvements to telephone devices
FR1316988A
(en )
1963-02-01
Improvements to combustion devices
BE594469A
(en )
1960-12-16
Improvements to masking devices.
BE588719A
(en )
1960-07-18
Improvements to distribution devices
FR1244370A
(en )
1960-10-28
Improvements to punching units
FR1266931A
(en )
1961-07-17
Improvements to combustion devices
FR1303972A
(en )
1962-09-14
Improvements to combustion devices
BE614855A
(en )
1962-07-02
Improvements to combustion devices
BE581516A
(en )
1959-12-01
Improvements to electrical devices.
FR76225E
(en )
1961-09-29
Improvements to radar devices
BE594808R
(en )
1961-01-02
Improvements to turbo-hydraulic couplings.
BE597433A
(en )
1961-03-15
Improvements made to grills.
FR1232362A
(en )
1960-10-07
Improvements to sounding devices
OA00340A
(en )
1966-05-15
Improvements to barrel shaping devices.