CA20031A - Planche de commutateur telephonique - Google Patents

Planche de commutateur telephonique

Info

Publication number
CA20031A
CA20031A CA000020031A CA20031DA CA20031A CA 20031 A CA20031 A CA 20031A CA 000020031 A CA000020031 A CA 000020031A CA 20031D A CA20031D A CA 20031DA CA 20031 A CA20031 A CA 20031A
Authority
CA
Canada
Prior art keywords
switch board
telephone switch
telephone
board
switch
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
CA000020031A
Other languages
English (en)
Inventor
Everlyn B. Hamlin
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.)
STANDARD ELECTRICAL WORKS
Original Assignee
STANDARD ELECTRICAL WORKS
Publication date
Application granted granted Critical
Publication of CA20031A publication Critical patent/CA20031A/fr
Expired legal-status Critical Current

Links

CA000020031A Planche de commutateur telephonique Expired CA20031A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA20031T

Publications (1)

Publication Number Publication Date
CA20031A true CA20031A (fr) 1884-08-18

Family

ID=45136574

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000020031A Expired CA20031A (fr) Planche de commutateur telephonique

Country Status (1)

Country Link
CA (1) CA20031A (fr)

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