CA427675A - Automatic telephone system - Google Patents

Automatic telephone system

Info

Publication number
CA427675A
CA427675A CA427675DA CA427675A CA 427675 A CA427675 A CA 427675A CA 427675D A CA427675D A CA 427675DA CA 427675 A CA427675 A CA 427675A
Authority
CA
Canada
Prior art keywords
telephone system
automatic telephone
automatic
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
Other languages
French (fr)
Inventor
P. Boswau Hans
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.)
LEICH ELECTRIC Co
Original Assignee
LEICH ELECTRIC Co
Publication date
Application granted granted Critical
Publication of CA427675A publication Critical patent/CA427675A/en
Expired legal-status Critical Current

Links

CA427675D Automatic telephone system Expired CA427675A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA427675T

Publications (1)

Publication Number Publication Date
CA427675A true CA427675A (en) 1945-05-22

Family

ID=35538707

Family Applications (1)

Application Number Title Priority Date Filing Date
CA427675D Expired CA427675A (en) Automatic telephone system

Country Status (1)

Country Link
CA (1) CA427675A (en)

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