ES68783A3 - Defenses for telephone exchanges. - Google Patents

Defenses for telephone exchanges.

Info

Publication number
ES68783A3
ES68783A3 ES68783A ES68783A ES68783A3 ES 68783 A3 ES68783 A3 ES 68783A3 ES 68783 A ES68783 A ES 68783A ES 68783 A ES68783 A ES 68783A ES 68783 A3 ES68783 A3 ES 68783A3
Authority
ES
Spain
Prior art keywords
defenses
telephone exchanges
exchanges
telephone
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
ES68783A
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.)
Peninsular De Telefonos Cia
Original Assignee
Peninsular De Telefonos Cia
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 Peninsular De Telefonos Cia filed Critical Peninsular De Telefonos Cia
Priority to ES68783A priority Critical patent/ES68783A3/en
Publication of ES68783A3 publication Critical patent/ES68783A3/en
Expired legal-status Critical Current

Links

ES68783A 1919-01-13 1919-01-13 Defenses for telephone exchanges. Expired ES68783A3 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES68783A ES68783A3 (en) 1919-01-13 1919-01-13 Defenses for telephone exchanges.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES68783A ES68783A3 (en) 1919-01-13 1919-01-13 Defenses for telephone exchanges.

Publications (1)

Publication Number Publication Date
ES68783A3 true ES68783A3 (en) 1919-02-16

Family

ID=69498240

Family Applications (1)

Application Number Title Priority Date Filing Date
ES68783A Expired ES68783A3 (en) 1919-01-13 1919-01-13 Defenses for telephone exchanges.

Country Status (1)

Country Link
ES (1) ES68783A3 (en)

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