BE594819A
(en )
1961-03-07
Improvements in the production of adipic acid.
FR1260428A
(en )
1961-05-05
Improvements in the manufacture of polyvinyl halide resins
FR1266886A
(en )
1961-07-17
Improvements in the production of adipic acid
FR1252746A
(en )
1961-02-03
Further training in the manufacture of acetic anhydride
BE598313A
(en )
1961-06-19
Further training in the manufacture of acetic anhydride
FR1296647A
(en )
1962-05-14
Improvements in the manufacture of heavy esters
FR1269888A
(en )
1961-08-18
Improvements in the esterification of phthalic acids
FR1277098A
(en )
1961-11-24
Improvements in the manufacture of carboxylic acids
FR1235512A
(en )
1960-07-08
Display furniture
FR1236332A
(en )
1960-07-15
Improvements in the manufacture of tennis rackets
FR1203696A
(en )
1960-01-20
Improvements in the manufacture of unsaturated hydrocarbons and methanol
BE598704A
(en )
1961-06-30
Improvements in the manufacture of urea
FR1252130A
(en )
1961-01-27
Further development in the manufacture of aliphatic anhydrides
BE639520A
(en )
1964-05-04
Further development in the manufacture of acetic anhydride
FR1245315A
(en )
1960-11-04
Improvements in the fabrication and erection of structures
FR1255242A
(en )
1961-03-03
Improvements in the production of glucinium
FR1250653A
(en )
1961-01-13
Improvements in the construction of buildings
FR1201617A
(en )
1960-01-04
Further development in the manufacture of maleic anhydride
FR1174366A
(en )
1959-03-10
Improvements in the manufacture of chromic anhydride
FR1263822A
(en )
1961-06-19
Further development in the manufacture of isophthalic acid diesters
FR1261741A
(en )
1961-05-19
Further training in the making of espadrilles
FR1173820A
(en )
1959-03-03
Improvements in the manufacture of nuts
FR1248075A
(en )
1960-12-09
Improvements in the manufacture of transistors
FR1307004A
(en )
1962-10-19
Display pedestal
FR1336081A
(en )
1963-08-30
Improvement in the manufacture of alkylphenols