CA17997A - Syeteme d'echange mecanique aux telephones - Google Patents

Syeteme d'echange mecanique aux telephones

Info

Publication number
CA17997A
CA17997A CA000017997A CA17997DA CA17997A CA 17997 A CA17997 A CA 17997A CA 000017997 A CA000017997 A CA 000017997A CA 17997D A CA17997D A CA 17997DA CA 17997 A CA17997 A CA 17997A
Authority
CA
Canada
Prior art keywords
telephone exchanges
mechanical telephone
mechanical
exchanges
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
CA000017997A
Other languages
English (en)
Inventor
George F. Shaver
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
Publication date
Application granted granted Critical
Publication of CA17997A publication Critical patent/CA17997A/fr
Expired legal-status Critical Current

Links

CA000017997A Syeteme d'echange mecanique aux telephones Expired CA17997A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA17997T

Publications (1)

Publication Number Publication Date
CA17997A true CA17997A (fr) 1883-10-26

Family

ID=45134540

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000017997A Expired CA17997A (fr) Syeteme d'echange mecanique aux telephones

Country Status (1)

Country Link
CA (1) CA17997A (fr)

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