CA290412A - Filtre - Google Patents

Filtre

Info

Publication number
CA290412A
CA290412A CA290412A CA290412DA CA290412A CA 290412 A CA290412 A CA 290412A CA 290412 A CA290412 A CA 290412A CA 290412D A CA290412D A CA 290412DA CA 290412 A CA290412 A CA 290412A
Authority
CA
Canada
Prior art keywords
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
CA290412A
Other languages
English (en)
Inventor
Allen Pickard Joseph
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.)
METAFILTERS Ltd
Original Assignee
METAFILTERS Ltd
Publication date
Application granted granted Critical
Publication of CA290412A publication Critical patent/CA290412A/fr
Expired legal-status Critical Current

Links

CA290412A Filtre Expired CA290412A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA290412T

Publications (1)

Publication Number Publication Date
CA290412A true CA290412A (fr) 1929-06-11

Family

ID=35227224

Family Applications (1)

Application Number Title Priority Date Filing Date
CA290412A Expired CA290412A (fr) Filtre

Country Status (1)

Country Link
CA (1) CA290412A (fr)

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