CA207977A - Electro-magnetic device - Google Patents

Electro-magnetic device

Info

Publication number
CA207977A
CA207977A CA207977A CA207977DA CA207977A CA 207977 A CA207977 A CA 207977A CA 207977 A CA207977 A CA 207977A CA 207977D A CA207977D A CA 207977DA CA 207977 A CA207977 A CA 207977A
Authority
CA
Canada
Prior art keywords
electro
magnetic device
magnetic
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
CA207977A
Other languages
French (fr)
Inventor
C. Leake Richard
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.)
SPX Corp
Original Assignee
General Railway Signal Co
Publication date
Application granted granted Critical
Publication of CA207977A publication Critical patent/CA207977A/en
Expired legal-status Critical Current

Links

CA207977A Electro-magnetic device Expired CA207977A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA207977T

Publications (1)

Publication Number Publication Date
CA207977A true CA207977A (en) 1921-01-25

Family

ID=35101756

Family Applications (1)

Application Number Title Priority Date Filing Date
CA207977A Expired CA207977A (en) Electro-magnetic device

Country Status (1)

Country Link
CA (1) CA207977A (en)

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