CA171552A - Switch for telephone systems - Google Patents

Switch for telephone systems

Info

Publication number
CA171552A
CA171552A CA000171552A CA171552DA CA171552A CA 171552 A CA171552 A CA 171552A CA 000171552 A CA000171552 A CA 000171552A CA 171552D A CA171552D A CA 171552DA CA 171552 A CA171552 A CA 171552A
Authority
CA
Canada
Prior art keywords
switch
telephone systems
telephone
systems
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
CA000171552A
Other languages
French (fr)
Inventor
Gustaf-Wilhelm Dahlstrom
Knut Erik Ericsson
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
Application granted granted Critical
Publication of CA171552A publication Critical patent/CA171552A/en
Expired legal-status Critical Current

Links

CA000171552A 1913-07-18 1913-07-18 Switch for telephone systems Expired CA171552A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA171552T 1913-07-18

Publications (1)

Publication Number Publication Date
CA171552A true CA171552A (en) 1916-08-29

Family

ID=45291211

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000171552A Expired CA171552A (en) 1913-07-18 1913-07-18 Switch for telephone systems

Country Status (1)

Country Link
CA (1) CA171552A (en)

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