ES77406A1 - Lightning rod-switch for telegraph and telephone exchanges. - Google Patents

Lightning rod-switch for telegraph and telephone exchanges.

Info

Publication number
ES77406A1
ES77406A1 ES77406A ES77406A ES77406A1 ES 77406 A1 ES77406 A1 ES 77406A1 ES 77406 A ES77406 A ES 77406A ES 77406 A ES77406 A ES 77406A ES 77406 A1 ES77406 A1 ES 77406A1
Authority
ES
Spain
Prior art keywords
telegraph
switch
lightning rod
telephone exchanges
exchanges
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
ES77406A
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.)
Martin Villoslada Mariano
Original Assignee
Martin Villoslada Mariano
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 Martin Villoslada Mariano filed Critical Martin Villoslada Mariano
Priority to ES77406A priority Critical patent/ES77406A1/en
Publication of ES77406A1 publication Critical patent/ES77406A1/en
Expired legal-status Critical Current

Links

ES77406A 1921-03-16 1921-03-16 Lightning rod-switch for telegraph and telephone exchanges. Expired ES77406A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES77406A ES77406A1 (en) 1921-03-16 1921-03-16 Lightning rod-switch for telegraph and telephone exchanges.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES77406A ES77406A1 (en) 1921-03-16 1921-03-16 Lightning rod-switch for telegraph and telephone exchanges.

Publications (1)

Publication Number Publication Date
ES77406A1 true ES77406A1 (en) 1921-05-16

Family

ID=64249145

Family Applications (1)

Application Number Title Priority Date Filing Date
ES77406A Expired ES77406A1 (en) 1921-03-16 1921-03-16 Lightning rod-switch for telegraph and telephone exchanges.

Country Status (1)

Country Link
ES (1) ES77406A1 (en)

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