FR1261521A
(en )
1961-05-19
Developer for electrophotography
BE586767A
(en )
1960-05-16
Method and device for electrusion
FR1202827A
(en )
1960-01-13
Variable spacing device for xerographic recording
FR1273337A
(en )
1961-10-06
Device for the electrophotographic production of images
FR1189929A
(en )
1959-10-08
Method and device for recording echoes
FR1448716A
(en )
1966-03-18
Electrophotographic process for the automatic and continuous reproduction of models and device for carrying out this process
BE588365A
(en )
1960-09-07
Method and device for obtaining electrophotographic reproductions by reflection
FR1247430A
(en )
1960-12-02
Absorption device for coffins
CH363159A
(en )
1962-07-15
Device for teaching drawing
FR1252906A
(en )
1961-02-03
Method and device for obtaining electrophotographic reproductions by reflection
FR1252913A
(en )
1961-02-03
Method and device for obtaining electrophotographic reproductions by reflection
FR1163397A
(en )
1958-09-25
Device for the development of forces
FR1162367A
(en )
1958-09-11
Process and post-combustion ignition device for turbo-reactors
FR1195732A
(en )
1959-11-19
Method and device for obtaining photocopies
FR1227741A
(en )
1960-08-24
Method and device for obtaining pulverulent sulfur
FR1226180A
(en )
1960-07-08
Device for number exploration
FR1282559A
(en )
1962-01-27
Method for obtaining electrographic images
FR1193128A
(en )
1959-10-30
Method and device for spacing pipes
BE588183A
(en )
1960-09-01
Image method and device.
FR1246499A
(en )
1960-11-18
Adjustment device for magnifying devices
FR1248528A
(en )
1960-12-16
Method and device for improving the friction of paper
FR1181723A
(en )
1959-06-18
Method and device for obtaining an ortho-photographic image
FR1166916A
(en )
1958-11-17
Method and electro-acoustic device for obtaining musical relief
FR1231225A
(en )
1960-09-27
Method and device for depositing heavy objects
FR1276483A
(en )
1961-11-17
Device and method for carrying out excavations