CA391663A - Electric pipe line warning device - Google Patents

Electric pipe line warning device

Info

Publication number
CA391663A
CA391663A CA391663A CA391663DA CA391663A CA 391663 A CA391663 A CA 391663A CA 391663 A CA391663 A CA 391663A CA 391663D A CA391663D A CA 391663DA CA 391663 A CA391663 A CA 391663A
Authority
CA
Canada
Prior art keywords
warning device
pipe line
electric pipe
line warning
electric
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
CA391663A
Other languages
French (fr)
Inventor
Kitchener Dobbing Cecil
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.)
James A Jobling and Co Ltd
Original Assignee
James A Jobling and Co Ltd
Publication date
Application granted granted Critical
Publication of CA391663A publication Critical patent/CA391663A/en
Expired legal-status Critical Current

Links

CA391663A Electric pipe line warning device Expired CA391663A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA391663T

Publications (1)

Publication Number Publication Date
CA391663A true CA391663A (en) 1940-10-01

Family

ID=35399200

Family Applications (1)

Application Number Title Priority Date Filing Date
CA391663A Expired CA391663A (en) Electric pipe line warning device

Country Status (1)

Country Link
CA (1) CA391663A (en)

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