CA687653A - Process control apparatus - Google Patents

Process control apparatus

Info

Publication number
CA687653A
CA687653A CA687653A CA687653DA CA687653A CA 687653 A CA687653 A CA 687653A CA 687653 A CA687653 A CA 687653A CA 687653D A CA687653D A CA 687653DA CA 687653 A CA687653 A CA 687653A
Authority
CA
Canada
Prior art keywords
control apparatus
process control
control
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
CA687653A
Inventor
David M. Boyd, 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.)
Universal Oil Products Co
Original Assignee
Universal Oil Products Co
Publication date
Application granted granted Critical
Publication of CA687653A publication Critical patent/CA687653A/en
Expired legal-status Critical Current

Links

CA687653A Process control apparatus Expired CA687653A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA687653T

Publications (1)

Publication Number Publication Date
CA687653A true CA687653A (en) 1964-06-02

Family

ID=35990266

Family Applications (1)

Application Number Title Priority Date Filing Date
CA687653A Expired CA687653A (en) Process control apparatus

Country Status (1)

Country Link
CA (1) CA687653A (en)

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