|
DE568032C
|
|
Method for generating a point-shaped radiation source of high intensity in the ultraviolet area
|
|
DE594706C
|
|
Process for the manufacture of rings or other bodies with a closed circumference, in particular rings of large diameter, from fused quartz
|
|
GB345291A
|
|
Improvements in fusing non-conducting inorganic materials
|
|
GB336493A
|
|
Improved process for and apparatus for use in moulding articles of fused quartz
|
|
GB332744A
|
|
Improvements in or relating to mercury vapour lamps
|
|
DE595082C
|
|
Process for the manufacture of hollow objects from fused quartz
|
|
DE592278C
|
|
Process for melting inorganic substances that are second class conductors in an electromagnetic high frequency field
|
|
DE503395C
|
|
Open metal halide electric lamp
|
|
DE556040C
|
|
Electric metal vapor lamp with at least one liquid electrode
|
|
DE455305C
|
|
Process for shaping amorphous fused quartz
|
|
DE538903C
|
|
Method for cementing electrical insulators from ceramic bodies
|
|
DE428654C
|
|
Process for melting quartz glass and other highly refractory materials
|
|
DE451983C
|
|
Quartz lamp
|
|
DE409963C
|
|
Process for the manufacture of objects from fused quartz in a resistance furnace
|
|
GB182781A
|
|
Improved manufacture of quartz and the like articles nonpervious to gases
|
|
DE385723C
|
|
Process for the production of translucent plates or objects from quartz material
|
|
DE397905C
|
|
Support for electrical conductors made of fused silica
|
|
DE444596C
|
|
Metal halide electric lamp
|
|
DE395450C
|
|
Process for the production of gas-impermeable objects from quartz or similar materials that are difficult to melt
|
|
DE319895C
|
|
Process for the production of gas-impermeable objects from quartz or similar materials that are difficult to melt
|
