CA809971A - Gas metering system with means for preventing backflow - Google Patents

Gas metering system with means for preventing backflow

Info

Publication number
CA809971A
CA809971A CA809971A CA809971DA CA809971A CA 809971 A CA809971 A CA 809971A CA 809971 A CA809971 A CA 809971A CA 809971D A CA809971D A CA 809971DA CA 809971 A CA809971 A CA 809971A
Authority
CA
Canada
Prior art keywords
metering system
preventing backflow
gas metering
gas
backflow
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
CA809971A
Inventor
E. Thrush James
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.)
Dresser Industries Inc
Original Assignee
Dresser Industries Inc
Publication date
Application granted granted Critical
Publication of CA809971A publication Critical patent/CA809971A/en
Expired legal-status Critical Current

Links

CA809971A Gas metering system with means for preventing backflow Expired CA809971A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA809971T

Publications (1)

Publication Number Publication Date
CA809971A true CA809971A (en) 1969-04-08

Family

ID=36280488

Family Applications (1)

Application Number Title Priority Date Filing Date
CA809971A Expired CA809971A (en) Gas metering system with means for preventing backflow

Country Status (1)

Country Link
CA (1) CA809971A (en)

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