CA296509A - Telephone electrostatique - Google Patents

Telephone electrostatique

Info

Publication number
CA296509A
CA296509A CA296509A CA296509DA CA296509A CA 296509 A CA296509 A CA 296509A CA 296509 A CA296509 A CA 296509A CA 296509D A CA296509D A CA 296509DA CA 296509 A CA296509 A CA 296509A
Authority
CA
Canada
Prior art keywords
electrostatic telephone
electrostatic
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
CA296509A
Other languages
English (en)
Inventor
Nagel Richard
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.)
F AUGUST SCHROEDER
Original Assignee
F AUGUST SCHROEDER
Publication date
Application granted granted Critical
Publication of CA296509A publication Critical patent/CA296509A/fr
Expired legal-status Critical Current

Links

CA296509A Telephone electrostatique Expired CA296509A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA296509T

Publications (1)

Publication Number Publication Date
CA296509A true CA296509A (fr) 1930-01-07

Family

ID=35233827

Family Applications (1)

Application Number Title Priority Date Filing Date
CA296509A Expired CA296509A (fr) Telephone electrostatique

Country Status (1)

Country Link
CA (1) CA296509A (fr)

Similar Documents

Publication Publication Date Title
CA296509A (fr) Telephone electrostatique
CA306424A (fr) Telephone electrostatique
CA305246A (fr) Appareil telephonique
CA302986A (fr) Ligne telephonique
CA299779A (fr) Microphone
CA306496A (fr) Haut-parleur
CA298710A (fr) Systeme telephonique
CA301277A (fr) Systeme telephonique
CA301283A (fr) Systeme telephonique
CA301410A (fr) Systeme telephonique
CA301938A (fr) Systeme telephonique
CA302272A (fr) Systeme telephonique
CA296466A (fr) Systeme telephonique
CA296467A (fr) Systeme telephonique
CA296694A (fr) Systeme telephonique
CA297487A (fr) Systeme telephoniques
CA297506A (fr) Systeme telephonique
CA297507A (fr) Systeme telephonique
CA297766A (fr) Systeme telephonique
CA298681A (fr) Systeme telephonique
CA298682A (fr) Systeme telephonique
CA298683A (fr) Systeme telephonique
CA298685A (fr) Systeme telephonique
CA299372A (fr) Systeme telephonique
CA299415A (fr) Systeme telephonique