FR1183803A
(en )
1959-07-15
Improvements to devices for artificial respiration
BE558302A
(en )
1960-03-25
Improvements to pipe-shaping equipment
FR1247099A
(en )
1960-11-25
Improvements to perforating devices for soundings
FR1292884A
(en )
1962-05-04
Improvements to weighing devices
FR1248803A
(en )
1960-12-23
Respiratory System Improvements
FR1245899A
(en )
1960-11-10
Improvements to railway line lifting devices
FR1245024A
(en )
1960-11-04
Improvements to loudspeaker devices
FR1261798A
(en )
1961-05-19
Improvements to semiconductor devices
FR1330199A
(en )
1963-06-21
Improvements to magnetoaerodynamic devices
FR74811E
(en )
1961-03-03
Improvements to devices for artificial respiration
BE593154A
(en )
1960-11-14
Improvements to devices for skull x-rays.
FR1234191A
(en )
1960-10-14
Improvements to X-ray equipment
FR1305567A
(en )
1962-10-05
Improvements to medical devices
FR1181018A
(en )
1959-06-11
Improvements to pre-laminating devices
FR1152775A
(en )
1958-02-25
Improvements to datograph mechanisms for time devices
FR1220252A
(en )
1960-05-24
Improvement in connections for sanitary devices
FR1291621A
(en )
1962-04-27
Improvements to vibrating devices
BE588719A
(en )
1960-07-18
Improvements to distribution devices
FR1274191A
(en )
1961-10-20
Improvements to electrolytic devices
FR1348395A
(en )
1964-01-10
Improvements to weighing devices
FR1218838A
(en )
1960-05-12
Improvements to resuscitation devices
FR1306894A
(en )
1962-10-19
Improvements to packaging equipment
FR1279305A
(en )
1961-12-22
Improvements to ultrafiltration devices
BE587398A
(en )
1960-05-30
Improvements to wrapping devices.
FR1232362A
(en )
1960-10-07
Improvements to sounding devices