CA303038A - Signalling or indicating apparatus - Google Patents

Signalling or indicating apparatus

Info

Publication number
CA303038A
CA303038A CA303038A CA303038DA CA303038A CA 303038 A CA303038 A CA 303038A CA 303038 A CA303038 A CA 303038A CA 303038D A CA303038D A CA 303038DA CA 303038 A CA303038 A CA 303038A
Authority
CA
Canada
Prior art keywords
signalling
indicating apparatus
indicating
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
CA303038A
Other languages
French (fr)
Inventor
Heap Graham Joshua
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.)
Relay Automatic Telephone Company Ltd
Original Assignee
Relay Automatic Telephone Company Ltd
Publication date
Application granted granted Critical
Publication of CA303038A publication Critical patent/CA303038A/en
Expired legal-status Critical Current

Links

CA303038A Signalling or indicating apparatus Expired CA303038A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA303038T

Publications (1)

Publication Number Publication Date
CA303038A true CA303038A (en) 1930-08-12

Family

ID=35256184

Family Applications (1)

Application Number Title Priority Date Filing Date
CA303038A Expired CA303038A (en) Signalling or indicating apparatus

Country Status (1)

Country Link
CA (1) CA303038A (en)

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