CA385775A - Appareil a contact par contre courants - Google Patents

Appareil a contact par contre courants

Info

Publication number
CA385775A
CA385775A CA385775A CA385775DA CA385775A CA 385775 A CA385775 A CA 385775A CA 385775 A CA385775 A CA 385775A CA 385775D A CA385775D A CA 385775DA CA 385775 A CA385775 A CA 385775A
Authority
CA
Canada
Prior art keywords
contact apparatus
countercurrent contact
countercurrent
contact
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
CA385775A
Other languages
English (en)
Inventor
S. Mckittrick Donald
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.)
Shell Development Co
Original Assignee
Shell Development Co
Publication date
Application granted granted Critical
Publication of CA385775A publication Critical patent/CA385775A/fr
Expired legal-status Critical Current

Links

CA385775A Appareil a contact par contre courants Expired CA385775A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA385775T

Publications (1)

Publication Number Publication Date
CA385775A true CA385775A (fr) 1939-12-19

Family

ID=35390997

Family Applications (1)

Application Number Title Priority Date Filing Date
CA385775A Expired CA385775A (fr) Appareil a contact par contre courants

Country Status (1)

Country Link
CA (1) CA385775A (fr)

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