DK78210C
(en )
1954-10-04
Process for making glass.
DK71618C
(en )
1950-10-23
Bowl oven for continuous production of glass or glassy materials.
CH255914A
(en )
1948-07-31
Glass set for the production of optical glasses.
FR914981A
(en )
1946-10-23
Safety glass
CH246442A
(en )
1947-01-15
Glass melting furnace.
AT188043B
(en )
1956-12-27
Furnace for making glass
FR1003129A
(en )
1952-03-14
Multicellular glass
DK71149C
(en )
1950-06-19
Process for the production of refractory materials.
DK70779C
(en )
1950-03-27
Process for the continuous production of a strip or wrist of glass fibers.
DK70752C
(en )
1950-03-20
Process for the production of glass containing silica as the main component.
AT188042B
(en )
1956-12-27
Tub-shaped furnace for the continuous production of glass or vitreous materials
DK73927C
(en )
1952-03-24
Oven for making glass.
FI24342A
(en )
1950-05-10
For the purposes of the definition of glass
CH285073A
(en )
1952-08-31
Optical glass.
DK68734C
(en )
1949-03-14
Process for making foot tubes of glass or similar material.
GR10389B
(en )
1945-06-26
GLASSES FOR CONVERSION OF GLASS BOTTLES.
DK66220C
(en )
1948-01-19
Plant for the manufacture of hollow bodies of glass.
AT189752B
(en )
1957-05-10
Electric furnace, especially for the production of glass or vitreous materials
CA431153A
(en )
1945-11-13
Hollow glass ware manufacturing system
DK71512C
(en )
1950-09-25
Process for the preparation of alkali carbonates.
AT188867B
(en )
1957-02-25
Furnace for the continuous production of glass
DK85522C
(en )
1958-05-12
Process for the manufacture of toughened glass insulators.
DK75215C
(en )
1952-12-29
Process for the production of foam glass.
FR952798A
(en )
1949-11-23
Method of making facing tiles from sheets of glass
FI21662A
(en )
1946-11-09
Anordning vid smältugnar framställning av glass