ES73279A1 - Improvements in automatic telephony. - Google Patents

Improvements in automatic telephony.

Info

Publication number
ES73279A1
ES73279A1 ES73279A ES73279A ES73279A1 ES 73279 A1 ES73279 A1 ES 73279A1 ES 73279 A ES73279 A ES 73279A ES 73279 A ES73279 A ES 73279A ES 73279 A1 ES73279 A1 ES 73279A1
Authority
ES
Spain
Prior art keywords
automatic telephony
telephony
automatic
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
ES73279A
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 ES73279A priority Critical patent/ES73279A1/en
Publication of ES73279A1 publication Critical patent/ES73279A1/en
Expired legal-status Critical Current

Links

ES73279A 1920-03-31 1920-03-31 Improvements in automatic telephony. Expired ES73279A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES73279A ES73279A1 (en) 1920-03-31 1920-03-31 Improvements in automatic telephony.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES73279A ES73279A1 (en) 1920-03-31 1920-03-31 Improvements in automatic telephony.

Publications (1)

Publication Number Publication Date
ES73279A1 true ES73279A1 (en) 1920-06-28

Family

ID=64242753

Family Applications (1)

Application Number Title Priority Date Filing Date
ES73279A Expired ES73279A1 (en) 1920-03-31 1920-03-31 Improvements in automatic telephony.

Country Status (1)

Country Link
ES (1) ES73279A1 (en)

Similar Documents

Publication Publication Date Title
ES73279A1 (en) Improvements in automatic telephony.
ES75526A1 (en) Improvements in telephones.
DK27231C (en) Negbaandskærer.
ES72975A1 (en) Improvements in networks or automatic telephone lines.
ES73283A1 (en) Improvements in automatic telephone facilities.
ES76515A1 (en) Improvements in automatic speaking machines.
ES76926A1 (en) Improvements in telephones.
ES76927A1 (en) Improvements in telephones.
ES79730A1 (en) Improvements in telephones.
ES74457A1 (en) Improvements in relays.
ES87145A1 (en) Improvement in automatic telephony.
ES72675A1 (en) Improvements in carburettors.
ES73313A1 (en) Improvements in carburettors.
DK33616C (en) Line selector telephone.
DK30001C (en) Can.
DK27602C (en) Two-cutter.
DK27631C (en) Additionsstok.
DK27912C (en) Vodrulle.
DK28272C (en) Plov.
DK28665C (en) Høfde.
DK28673C (en) Rørlaas.
DK28742C (en) Gashane.
DK28845C (en) Kloplan.
DK29476C (en) Hulmur.
DK29575C (en) Synkelod.