[go: up one dir, main page]

ES86933A1 - Improvements in thermionic valves and other similar devices for radiotelegraphy and radiotelephony. - Google Patents

Improvements in thermionic valves and other similar devices for radiotelegraphy and radiotelephony.

Info

Publication number
ES86933A1
ES86933A1 ES86933A ES86933A ES86933A1 ES 86933 A1 ES86933 A1 ES 86933A1 ES 86933 A ES86933 A ES 86933A ES 86933 A ES86933 A ES 86933A ES 86933 A1 ES86933 A1 ES 86933A1
Authority
ES
Spain
Prior art keywords
radiotelegraphy
radiotelephony
similar devices
thermionic valves
thermionic
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
ES86933A
Other languages
Spanish (es)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to ES86933A priority Critical patent/ES86933A1/en
Publication of ES86933A1 publication Critical patent/ES86933A1/en
Expired legal-status Critical Current

Links

ES86933A 1923-10-05 1923-10-05 Improvements in thermionic valves and other similar devices for radiotelegraphy and radiotelephony. Expired ES86933A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES86933A ES86933A1 (en) 1923-10-05 1923-10-05 Improvements in thermionic valves and other similar devices for radiotelegraphy and radiotelephony.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES86933A ES86933A1 (en) 1923-10-05 1923-10-05 Improvements in thermionic valves and other similar devices for radiotelegraphy and radiotelephony.

Publications (1)

Publication Number Publication Date
ES86933A1 true ES86933A1 (en) 1923-11-16

Family

ID=64262571

Family Applications (1)

Application Number Title Priority Date Filing Date
ES86933A Expired ES86933A1 (en) 1923-10-05 1923-10-05 Improvements in thermionic valves and other similar devices for radiotelegraphy and radiotelephony.

Country Status (1)

Country Link
ES (1) ES86933A1 (en)

Similar Documents

Publication Publication Date Title
ES86933A1 (en) Improvements in thermionic valves and other similar devices for radiotelegraphy and radiotelephony.
ES94132A2 (en) Improvements in thermionic valves and other similar devices for radiotelegraphy and radiotelephony.
ES85438A1 (en) Improvements in the construction of thermionic valves and similar devices.
ES89136A1 (en) Improvements in thermionic valves.
FR600911A (en) Valves
AT107406B (en) Piston valve.
ES92928A1 (en) Improvements in thermionic valves.
ES95365A1 (en) Improvements in thermionic valves.
ES99498A1 (en) Improvements in thermionic valves.
ES86098A1 (en) Improvements in thermo-ionic amplifying valves.
ES90140A1 (en) Improvements in radiotelegraphy and radiotelephony.
ES85798A1 (en) Improvements in radiotelephony.
FR613481A (en) Improvement in electromagnets
ES94397A2 (en) Improvements in devices for the manufacture of soft drinks.
ES135141A1 (en) An improvement in the construction of power valves, for radiotelephony devices and amplifiers.
ES90490A3 (en) Improvements in radiotelephony.
ES92902A1 (en) Improvements in valves and taps.
ES79483A1 (en) Improvements in the lines or antenna systems used for wireless telegraphy and telephony.
ES83481A3 (en) Improvements in valves and cams for their actuation.
ES98055A1 (en) Improvements in directional antennas for radio-telegraphy and radio-telephony.
ES90884A1 (en) Improvements in antennas for radiotelegraphy and telephony.
ES97071A1 (en) Improvements in the valves.
ES86827A1 (en) Improvements in radiators for aircraft and other applications.
ES90732A1 (en) Improvements in the valves.
DK37225C (en) Plate valve.