FR1304320A
(en )
1962-09-21
Improvements in the fabrication of alveolar structures
FR1271227A
(en )
1961-09-08
Improvements in the manufacture of valves and valves resulting therefrom
BE580998A
(en )
1960-01-25
Improvements in the manufacture of belts
FR1162423A
(en )
1958-09-12
Improvements in the manufacture of playing dice and the like
FR1260601A
(en )
1961-05-12
Improvements in the manufacture of thermometers and the like
BE599984A
(en )
1961-05-29
Improvements in the manufacture of thermometers and the like
FR1255966A
(en )
1961-03-17
Improvements in the manufacture of catalysts
FR1273720A
(en )
1961-10-13
Improvements in the manufacture of transformers
FR1204807A
(en )
1960-01-28
Improvements in the manufacture of mercury thermometers
FR1276096A
(en )
1961-11-17
Improvement in the manufacture of heat insulating elements
FR1380904A
(en )
1964-12-04
Improvements in the manufacture of beverages and the like
FR75546E
(en )
1961-07-07
Improvements in the manufacture of construction panels
FR1189698A
(en )
1959-10-06
Improvements in the manufacture of pentaerythritis and the like
FR1173735A
(en )
1959-03-02
Improvements in the manufacture of pentaerythritis
FR1315252A
(en )
1963-01-18
Improvements in the manufacture of nitrotoluenes
FR1259928A
(en )
1961-04-28
Improvements in the production of tetrachloropalladates
FR1248075A
(en )
1960-12-09
Improvements in the manufacture of transistors
FR1379696A
(en )
1964-11-27
Improvements in the manufacture of lollipops and similar sweets
FR1213205A
(en )
1960-03-29
Improvements in the manufacture of insulating tapes
FR1231411A
(en )
1960-09-29
Improvements in the manufacture of transistors
FR1265973A
(en )
1961-07-07
Improvements in the manufacture of metal packaging
FR1256826A
(en )
1961-03-24
Improvements in the manufacture of junction transistors
FR1286648A
(en )
1962-03-09
Improvements in the manufacture of hydrazo and azo dialkylnitriles
FR1252130A
(en )
1961-01-27
Further development in the manufacture of aliphatic anhydrides
FR1261741A
(en )
1961-05-19
Further training in the making of espadrilles