CA522133A - Protective polarity indicating device - Google Patents

Protective polarity indicating device

Info

Publication number
CA522133A
CA522133A CA522133A CA522133DA CA522133A CA 522133 A CA522133 A CA 522133A CA 522133 A CA522133 A CA 522133A CA 522133D A CA522133D A CA 522133DA CA 522133 A CA522133 A CA 522133A
Authority
CA
Canada
Prior art keywords
protective
indicating device
polarity indicating
polarity
protective polarity
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
CA522133A
Other languages
French (fr)
Inventor
J. Fewings David
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.)
CMC Electronics Inc
Original Assignee
David J Fewings
Canadian Marconi Co
Publication date
Application granted granted Critical
Publication of CA522133A publication Critical patent/CA522133A/en
Expired legal-status Critical Current

Links

CA522133A Protective polarity indicating device Expired CA522133A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA522133T

Publications (1)

Publication Number Publication Date
CA522133A true CA522133A (en) 1956-02-28

Family

ID=35675362

Family Applications (1)

Application Number Title Priority Date Filing Date
CA522133A Expired CA522133A (en) Protective polarity indicating device

Country Status (1)

Country Link
CA (1) CA522133A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3699562A (en) * 1970-10-09 1972-10-17 Rca Corp Safety apparatus for hot-chassis electronic instruments

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3699562A (en) * 1970-10-09 1972-10-17 Rca Corp Safety apparatus for hot-chassis electronic instruments

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