ES79730A1 - Improvements in telephones. - Google Patents

Improvements in telephones.

Info

Publication number
ES79730A1
ES79730A1 ES79730A ES79730A ES79730A1 ES 79730 A1 ES79730 A1 ES 79730A1 ES 79730 A ES79730 A ES 79730A ES 79730 A ES79730 A ES 79730A ES 79730 A1 ES79730 A1 ES 79730A1
Authority
ES
Spain
Prior art keywords
telephones
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
ES79730A
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 ES79730A priority Critical patent/ES79730A1/en
Publication of ES79730A1 publication Critical patent/ES79730A1/en
Expired legal-status Critical Current

Links

ES79730A 1921-10-20 1921-10-20 Improvements in telephones. Expired ES79730A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES79730A ES79730A1 (en) 1921-10-20 1921-10-20 Improvements in telephones.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES79730A ES79730A1 (en) 1921-10-20 1921-10-20 Improvements in telephones.

Publications (1)

Publication Number Publication Date
ES79730A1 true ES79730A1 (en) 1922-02-01

Family

ID=64248513

Family Applications (1)

Application Number Title Priority Date Filing Date
ES79730A Expired ES79730A1 (en) 1921-10-20 1921-10-20 Improvements in telephones.

Country Status (1)

Country Link
ES (1) ES79730A1 (en)

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