BE370532A - - Google Patents

Info

Publication number: BE370532A
Authority: BE; Belgium

Application number

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1929-12-23

Publication of BE370532A publication Critical patent/BE370532A/xx

Classifications

- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
- H01J9/02—Manufacture of electrodes or electrode systems
- H01J9/04—Manufacture of electrodes or electrode systems of thermionic cathodes
- H01J9/042—Manufacture, activation of the emissive part

Landscapes

Engineering & Computer Science (AREA)
Manufacturing & Machinery (AREA)
Solid Thermionic Cathode (AREA)
Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)

BE370532D 1929-12-23 BE370532A (xx)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
HU341826X		1929-12-23

Publications (1)

Publication Number	Publication Date
BE370532A true BE370532A (xx)

Family

ID=10978844

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE370532D BE370532A (xx)	1929-12-23

Country Status (5)

Country	Link
BE (1)	BE370532A (xx)
DE (1)	DE539890C (xx)
FR (1)	FR696589A (xx)
GB (1)	GB341826A (xx)
NL (1)	NL28979C (xx)

0
- BE BE370532D patent/BE370532A/xx unknown
- NL NL28979D patent/NL28979C/xx active
1930
- 1930-05-14 DE DE1930539890D patent/DE539890C/de not_active Expired
- 1930-05-16 GB GB15108/30A patent/GB341826A/en not_active Expired
- 1930-06-03 FR FR696589D patent/FR696589A/fr not_active Expired

Also Published As

Publication number	Publication date
DE539890C (de)	1931-12-03
NL28979C (xx)
FR696589A (fr)	1931-01-05
GB341826A (en)	1931-01-22

Publication	Publication Date	Title
BE357721A (xx)	1929-02-28
AT126897B (xx)	1932-02-25
FR666177A (xx)	1929-10-04
FR664021A (xx)	1929-09-05
FR650765A (xx)	1929-02-15
FR34905E (xx)	1929-10-30
FR34948E (xx)	1929-10-30
FR34988E (xx)	1929-10-30
BE357998A (xx)
BE357355A (xx)
BE360248A (xx)	1929-05-31
BE358652A (xx)
BE358638A (xx)
BE358565A (xx)
BE358558A (xx)
BE358514A (xx)
BE358473A (xx)
NL28979C (xx)
BE358396A (xx)
BE358294A (xx)
BE358276A (xx)
BE358225A (xx)
BE358125A (xx)
BE358112A (xx)
BE370087A (xx)