CA462975A - Carte-filtre - Google Patents

Carte-filtre

Info

Publication number
CA462975A
CA462975A CA462975A CA462975DA CA462975A CA 462975 A CA462975 A CA 462975A CA 462975 A CA462975 A CA 462975A CA 462975D A CA462975D A CA 462975DA CA 462975 A CA462975 A CA 462975A
Authority
CA
Canada
Prior art keywords
filter card
card
filter
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
CA462975A
Other languages
English (en)
Inventor
Nicolaas Van Dranen Willem
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.)
Individual
Original Assignee
Individual
Publication date
Application granted granted Critical
Publication of CA462975A publication Critical patent/CA462975A/fr
Expired legal-status Critical Current

Links

CA462975A Carte-filtre Expired CA462975A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA462975T

Publications (1)

Publication Number Publication Date
CA462975A true CA462975A (fr) 1950-02-07

Family

ID=35592684

Family Applications (1)

Application Number Title Priority Date Filing Date
CA462975A Expired CA462975A (fr) Carte-filtre

Country Status (1)

Country Link
CA (1) CA462975A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3186832A (en) * 1961-09-09 1965-06-01 Vaw Ver Aluminium Werke Ag Method of producing aluminum

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3186832A (en) * 1961-09-09 1965-06-01 Vaw Ver Aluminium Werke Ag Method of producing aluminum

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