BE615774A
(en )
1962-10-01
Improvements relating to the manufacture of flat glass
CH356874A
(en )
1961-09-15
Curved glass sheet
BE594448A
(en )
1961-02-27
Improvements relating to the manufacture of flat glass.
FR1231129A
(en )
1960-09-27
Improvements in the manufacture of glass sheets
FR86221E
(en )
1966-01-03
Further training in sheet glass manufacturing
FR1255483A
(en )
1961-03-10
Improvements in sheet glass manufacturing
BE615773A
(en )
1962-10-01
Improvements in the manufacture of flat glass
FR1323711A
(en )
1963-04-12
Further training in the manufacture of flat glass
BE589306A
(en )
1960-08-01
Improvement in the manufacture of drawn sheet glass.
FR1378839A
(en )
1964-11-20
Further training in sheet glass manufacturing
BE609251A
(en )
1962-04-17
Glass manufacturing
FR1159525A
(en )
1958-06-27
Sheet glass manufacturing
FR86222E
(en )
1966-01-03
Further training in sheet glass manufacturing
BE594447A
(en )
1961-02-27
Improvements relating to the manufacture of flat glass.
FR1223064A
(en )
1960-06-15
Improvements in the manufacture of glass tubes
FR1243376A
(en )
1960-10-07
Improvements in the manufacture of glass sheets
BE586072A
(en )
1960-06-28
Improvements in the manufacture of sheet glass.
FR1264814A
(en )
1961-06-23
Improvements in the manufacture of sheet glass
FR1313076A
(en )
1962-12-28
Improvements in the manufacture of sheet glass by drawing
FR1251365A
(en )
1961-01-20
Prefections in the manufacture of plastic sheets
FR77626E
(en )
1962-03-30
Improvements in sheet glass manufacturing
BE599524A
(en )
1961-07-27
Improvements in sheet glass manufacturing
FR1331368A
(en )
1963-07-05
Further training in sheet glass manufacturing
FR80342E
(en )
1963-04-12
Improvements in sheet glass manufacturing
FR1202176A
(en )
1960-01-08
Improvements in the manufacture of sheet glass by vertical drawing