CA455209A - Fiche - Google Patents

Fiche

Info

Publication number
CA455209A
CA455209A CA455209A CA455209DA CA455209A CA 455209 A CA455209 A CA 455209A CA 455209 A CA455209 A CA 455209A CA 455209D A CA455209D A CA 455209DA CA 455209 A CA455209 A CA 455209A
Authority
CA
Canada
Prior art keywords
record card
record
card
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
CA455209A
Other languages
English (en)
Inventor
F. Johnson Evert
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.)
PennzEnergy Co
Original Assignee
Pennzoil Co
Publication date
Application granted granted Critical
Publication of CA455209A publication Critical patent/CA455209A/fr
Expired legal-status Critical Current

Links

CA455209A Fiche Expired CA455209A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA455209T

Publications (1)

Publication Number Publication Date
CA455209A true CA455209A (fr) 1949-03-15

Family

ID=35572948

Family Applications (1)

Application Number Title Priority Date Filing Date
CA455209A Expired CA455209A (fr) Fiche

Country Status (1)

Country Link
CA (1) CA455209A (fr)

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