CA103816A - Telephone exchange apparatus - Google Patents

Telephone exchange apparatus

Info

Publication number
CA103816A
CA103816A CA000103816A CA103816DA CA103816A CA 103816 A CA103816 A CA 103816A CA 000103816 A CA000103816 A CA 000103816A CA 103816D A CA103816D A CA 103816DA CA 103816 A CA103816 A CA 103816A
Authority
CA
Canada
Prior art keywords
telephone exchange
exchange apparatus
telephone
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
CA000103816A
Other languages
French (fr)
Inventor
Frank Robert Mcberty
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.)
Bell Telephone Company of Canada
Original Assignee
Bell Telephone Company of Canada
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 Bell Telephone Company of Canada filed Critical Bell Telephone Company of Canada
Application granted granted Critical
Publication of CA103816A publication Critical patent/CA103816A/en
Expired legal-status Critical Current

Links

CA000103816A 1904-03-15 1904-03-15 Telephone exchange apparatus Expired CA103816A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA103816T 1904-03-15

Publications (1)

Publication Number Publication Date
CA103816A true CA103816A (en) 1907-02-26

Family

ID=45223544

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000103816A Expired CA103816A (en) 1904-03-15 1904-03-15 Telephone exchange apparatus

Country Status (1)

Country Link
CA (1) CA103816A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4931215A (en) * 1987-10-26 1990-06-05 Berol Nobel Ab Detergent compositions containing a combination of a co-builder and a builder

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4931215A (en) * 1987-10-26 1990-06-05 Berol Nobel Ab Detergent compositions containing a combination of a co-builder and a builder

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