CA438945A - Valve alarm signal system - Google Patents

Valve alarm signal system

Info

Publication number
CA438945A
CA438945A CA438945A CA438945DA CA438945A CA 438945 A CA438945 A CA 438945A CA 438945 A CA438945 A CA 438945A CA 438945D A CA438945D A CA 438945DA CA 438945 A CA438945 A CA 438945A
Authority
CA
Canada
Prior art keywords
alarm signal
signal system
valve alarm
valve
signal
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
CA438945A
Other languages
French (fr)
Inventor
C. Ludi William
Eugene M. Fry, Jr.
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.)
Standard Oil Development Co
Original Assignee
Standard Oil Development Co
Publication date
Application granted granted Critical
Publication of CA438945A publication Critical patent/CA438945A/en
Expired legal-status Critical Current

Links

CA438945A Valve alarm signal system Expired CA438945A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA438945T

Publications (1)

Publication Number Publication Date
CA438945A true CA438945A (en) 1946-12-31

Family

ID=35554179

Family Applications (1)

Application Number Title Priority Date Filing Date
CA438945A Expired CA438945A (en) Valve alarm signal system

Country Status (1)

Country Link
CA (1) CA438945A (en)

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