CA49514A - System of telegraphic or telephonic exchange - Google Patents

System of telegraphic or telephonic exchange

Info

Publication number
CA49514A
CA49514A CA000049514A CA49514DA CA49514A CA 49514 A CA49514 A CA 49514A CA 000049514 A CA000049514 A CA 000049514A CA 49514D A CA49514D A CA 49514DA CA 49514 A CA49514 A CA 49514A
Authority
CA
Canada
Prior art keywords
telegraphic
telephonic exchange
telephonic
exchange
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
CA000049514A
Other languages
French (fr)
Inventor
Wallace Childs
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 CA49514A publication Critical patent/CA49514A/en
Expired legal-status Critical Current

Links

CA000049514A System of telegraphic or telephonic exchange Expired CA49514A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA49514T

Publications (1)

Publication Number Publication Date
CA49514A true CA49514A (en) 1895-07-18

Family

ID=45166053

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000049514A Expired CA49514A (en) System of telegraphic or telephonic exchange

Country Status (1)

Country Link
CA (1) CA49514A (en)

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