FR1258142A
(en )
1961-04-07
Method and apparatus for the extraction of helium
BE597299A
(en )
1961-03-15
Method and apparatus for the combined drawing and stamping of metals
FR1274114A
(en )
1961-10-20
Method and device for drawing metal profiles
BE586767A
(en )
1960-05-16
Method and device for electrusion
FR1187996A
(en )
1959-09-17
Method and device for vacuum steel treatment
FR1192368A
(en )
1959-10-26
Method and device for the vacuum treatment of steel
BE580359A
(en )
1960-01-04
Method and device for vacuum casting of steel
FR1256981A
(en )
1961-03-24
Method and device for vacuum casting of steel
FR1259246A
(en )
1961-04-21
Method and device for the vacuum treatment of steel
BE580358A
(en )
1960-01-04
Method and device for the vacuum treatment of steel
FR1297874A
(en )
1962-07-06
Improved method and device for the purification of ferrous metal compounds during their casting
FR1257365A
(en )
1961-03-31
Method and device for the vacuum treatment of steel
FR75440E
(en )
1961-06-09
Method and device for vacuum steel treatment
BE580127A
(en )
1959-12-28
Method and device for the vacuum treatment of steel.
FR83935E
(en )
1964-11-06
Process and apparatus for vacuum casting of metals
FR1311435A
(en )
1962-12-07
Process and apparatus for vacuum casting of metals
FR1199800A
(en )
1959-12-16
Method and device for vacuum molding of steel in ingot mold
FR1342413A
(en )
1963-11-08
Method and device for vacuum treatment of steel and other metals
FR1304956A
(en )
1962-09-28
Method and apparatus for the centrifugal molding of metal materials sensitive to oxidation
FR1168622A
(en )
1958-12-11
Method and device for improving the accuracy of projectiles
BE580130A
(en )
1959-12-28
Method and device for the treatment of steel by vacuum.
BE610472A
(en )
1962-05-17
Method and apparatus for the vacuum casting of metals.
BE580128A
(en )
1959-12-28
Method and device for improving the quality of steel.
FR1252038A
(en )
1961-01-27
Method and device for the production of iron and steel
FR1266562A
(en )
1961-07-17
Process and apparatus for the protection of metal foundry molds