FR876569A
(en )
1942-11-10
Method and apparatus for melting glass and the like
CH207058A
(en )
1939-09-30
Process and device for the production of glass fibers.
CH208496A
(en )
1940-02-15
Process for the production of difficult-to-melt glasses.
CH208495A
(en )
1940-02-15
Process for the production of glass melts.
AT173039B
(en )
1952-11-10
Process for melting molybdenum objects, in particular molybdenum wires, in glass
AT173038B
(en )
1952-11-10
Process for melting tungsten objects in glass
CH217716A
(en )
1941-11-15
Method and device for heating and shaping objects made of glass.
CH207059A
(en )
1939-09-30
Process for the manufacture of tempered glass articles.
AT173037B
(en )
1952-11-10
Process for melting tungsten objects, in particular tungsten wires, in glass
FR863075A
(en )
1941-03-22
Glass object and process for making it
CH208853A
(en )
1940-02-29
Process for increasing the oligodynamic effect of metals.
DK70854C
(en )
1950-04-11
Method of melting a tungsten article into glass.
CH206391A
(en )
1939-08-15
Process for making tempered glass articles.
CA373949A
(en )
1938-05-24
Glass article tempering method
CA373948A
(en )
1938-05-24
Glass article tempering method
FR836216A
(en )
1939-01-12
Candles and process for making them
FR836263A
(en )
1939-01-13
Glass hollow brick
AT148708B
(en )
1937-02-25
Process for the extraction of precious metals.
CA372035A
(en )
1938-02-22
Glass tempering method
CA373978A
(en )
1938-05-24
Glass melting tank
CA377811A
(en )
1938-11-22
Glass melting tank
CA373964A
(en )
1938-05-24
Forehearth for molten glass
CA373965A
(en )
1938-05-24
Forehearth for molten glass
IE15195L
(en )
1938-12-24
Tempering hollow glass articles
DK62163C
(en )
1944-04-17
Method for Manufacturing Multicellular Glass.