CA599226A - Telephone switchboards - Google Patents

Telephone switchboards

Info

Publication number
CA599226A
CA599226A CA599226A CA599226DA CA599226A CA 599226 A CA599226 A CA 599226A CA 599226 A CA599226 A CA 599226A CA 599226D A CA599226D A CA 599226DA CA 599226 A CA599226 A CA 599226A
Authority
CA
Canada
Prior art keywords
telephone switchboards
switchboards
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
CA599226A
Inventor
J. Calder Albert
F. Wood Leslie
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.)
Siemens Brothers and Co Ltd
Original Assignee
Siemens Brothers and Co Ltd
Publication date
Application granted granted Critical
Publication of CA599226A publication Critical patent/CA599226A/en
Expired legal-status Critical Current

Links

CA599226A Telephone switchboards Expired CA599226A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA599226T

Publications (1)

Publication Number Publication Date
CA599226A true CA599226A (en) 1960-06-07

Family

ID=35815005

Family Applications (1)

Application Number Title Priority Date Filing Date
CA599226A Expired CA599226A (en) Telephone switchboards

Country Status (1)

Country Link
CA (1) CA599226A (en)

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