CA612247A - Level control - Google Patents

Level control

Info

Publication number
CA612247A
CA612247A CA612247A CA612247DA CA612247A CA 612247 A CA612247 A CA 612247A CA 612247 A CA612247 A CA 612247A CA 612247D A CA612247D A CA 612247DA CA 612247 A CA612247 A CA 612247A
Authority
CA
Canada
Prior art keywords
level control
level
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
CA612247A
Inventor
H. Helbing Clarence
Barlowe Murray
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.)
PPG Industries Inc
Original Assignee
Pittsburgh Plate Glass Co
Publication date
Application granted granted Critical
Publication of CA612247A publication Critical patent/CA612247A/en
Expired legal-status Critical Current

Links

CA612247A Level control Expired CA612247A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA612247T

Publications (1)

Publication Number Publication Date
CA612247A true CA612247A (en) 1961-01-10

Family

ID=35854568

Family Applications (1)

Application Number Title Priority Date Filing Date
CA612247A Expired CA612247A (en) Level control

Country Status (1)

Country Link
CA (1) CA612247A (en)

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