CH207131A
(en )
1939-09-30
Electric discharge tube.
CH200824A
(en )
1938-10-31
Electric discharge tube.
DK59306C
(en )
1941-12-15
Procedure for the manufacture of molds and apparatus for its implementation.
CH204059A
(en )
1939-04-15
Electric discharge tube.
CH207264A
(en )
1939-10-15
Electric discharge tube.
DK58967C
(en )
1941-08-25
Electrical Imaging Tube and Method for Manufacturing Its Retinal Electrode.
CH201751A
(en )
1938-12-15
Electric discharge tube.
CH204073A
(en )
1939-04-15
Electric discharge tube.
DK54281C
(en )
1938-02-07
Electric Discharge Tube and Method for Manufacturing Such.
AT156041B
(en )
1939-04-25
High frequency electrode.
DK66011C
(en )
1947-12-08
Glow electrode for electric discharge tubes and Procedure for its manufacture.
DK57433C
(en )
1940-04-01
Electrical Resistance Element and Procedure for Its Manufacture.
DK64126C
(en )
1945-12-03
Procedure and Machine for Transforming Tubes.
CH203246A
(en )
1939-02-28
Electric discharge tube.
CH208243A
(en )
1940-01-15
Electric discharge tube.
CH208433A
(en )
1940-01-31
Electric discharge tube.
DK51234C
(en )
1936-02-03
Electrode for Electric Discharge Tubes and Procedure for Manufacturing the Electrode.
DK61913C
(en )
1944-02-14
Procedure for Treating Glass Rods.
CH203791A
(en )
1939-03-31
Braun tube.
ES143852A1
(en )
1937-10-16
An electrode
DK52840C
(en )
1937-03-22
Method and Apparatus for Manufacturing Wire Mesh.
DK55445C
(en )
1938-11-14
Retinal Electrode for Television and Procedure for its Manufacture.
DK55963C
(en )
1939-03-20
Method and Apparatus for the Manufacture of Cellulose Cellulose.
DK58988C
(en )
1941-09-01
Electric Discharge Tube with Secondary Emission Electrode and Method of Manufacturing.
DK54015C
(en )
1937-12-13
Procedure for Soldering Lead-Calcium Alloys.