ES80934A1 - Improvements in the security devices for the switch hooks of telephone sets. - Google Patents

Improvements in the security devices for the switch hooks of telephone sets.

Info

Publication number
ES80934A1
ES80934A1 ES80934A ES80934A ES80934A1 ES 80934 A1 ES80934 A1 ES 80934A1 ES 80934 A ES80934 A ES 80934A ES 80934 A ES80934 A ES 80934A ES 80934 A1 ES80934 A1 ES 80934A1
Authority
ES
Spain
Prior art keywords
security devices
telephone sets
switch hooks
hooks
switch
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
ES80934A
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.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston SA
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 Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Priority to ES80934A priority Critical patent/ES80934A1/en
Publication of ES80934A1 publication Critical patent/ES80934A1/en
Expired legal-status Critical Current

Links

ES80934A 1922-03-01 1922-03-01 Improvements in the security devices for the switch hooks of telephone sets. Expired ES80934A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES80934A ES80934A1 (en) 1922-03-01 1922-03-01 Improvements in the security devices for the switch hooks of telephone sets.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES80934A ES80934A1 (en) 1922-03-01 1922-03-01 Improvements in the security devices for the switch hooks of telephone sets.

Publications (1)

Publication Number Publication Date
ES80934A1 true ES80934A1 (en) 1922-06-01

Family

ID=64252926

Family Applications (1)

Application Number Title Priority Date Filing Date
ES80934A Expired ES80934A1 (en) 1922-03-01 1922-03-01 Improvements in the security devices for the switch hooks of telephone sets.

Country Status (1)

Country Link
ES (1) ES80934A1 (en)

Similar Documents

Publication Publication Date Title
ES80934A1 (en) Improvements in the security devices for the switch hooks of telephone sets.
ES82231A1 (en) Improvements in announcing devices.
ES99049A1 (en) Improvements in telephone systems.
ES89606A1 (en) Improvements in telephone systems.
ES91218A3 (en) Improvements in telephone systems.
ES98063A3 (en) Improvements in electrical ignition devices.
ES83063A1 (en) Shackles improvements.
ES82753A1 (en) Improvements in the tablados (Rings) for fights.
ES88207A1 (en) Improvements in telephone sets.
ES85630A1 (en) Improvements in telephone systems.
ES87640A1 (en) Improvements in telephone systems.
ES88012A1 (en) Improvements in switches for telephone exchanges.
ES98442A1 (en) Improvements in telephone sets.
ES84454A1 (en) Improvements in announcing devices.
ES97175A1 (en) Improvements in telephone systems.
ES98720A1 (en) Improvements in telephone systems.
ES99081A1 (en) Improvements in telephone systems.
ES99082A1 (en) Improvements in telephone systems.
ES82067A1 (en) Improvements in centrifugal devices.
ES81674A1 (en) Improvements in thermo-siphons.
ES83607A2 (en) Improvements in thermo-siphons.
ES95103A3 (en) Improvements in telephone systems.
FR625746A (en) Starter protection switch
ES81798A1 (en) Improvements in the strainers.
ES81949A1 (en) Jockstrap improvements.