CA197978A - Filtre - Google Patents

Filtre

Info

Publication number
CA197978A
CA197978A CA197978A CA197978DA CA197978A CA 197978 A CA197978 A CA 197978A CA 197978 A CA197978 A CA 197978A CA 197978D A CA197978D A CA 197978DA CA 197978 A CA197978 A CA 197978A
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
CA197978A
Other languages
English (en)
Inventor
Martin Knight Edward
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 CA197978A publication Critical patent/CA197978A/fr
Expired legal-status Critical Current

Links

CA197978A Filtre Expired CA197978A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA197978T

Publications (1)

Publication Number Publication Date
CA197978A true CA197978A (fr) 1920-03-09

Family

ID=35072416

Family Applications (1)

Application Number Title Priority Date Filing Date
CA197978A Expired CA197978A (fr) Filtre

Country Status (1)

Country Link
CA (1) CA197978A (fr)

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