CA514539A - Filters - Google Patents

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Publication number
CA514539A
CA514539A CA514539A CA514539DA CA514539A CA 514539 A CA514539 A CA 514539A CA 514539 A CA514539 A CA 514539A CA 514539D A CA514539D A CA 514539DA CA 514539 A CA514539 A CA 514539A
Authority
CA
Canada
Prior art keywords
filters
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
CA514539A
Other languages
French (fr)
Inventor
B. Walker Thomas
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.)
Isaac Braithwaite and Son Engineers Ltd
Original Assignee
Isaac Braithwaite and Son Engineers Ltd
Publication date
Application granted granted Critical
Publication of CA514539A publication Critical patent/CA514539A/en
Expired legal-status Critical Current

Links

CA514539A Filters Expired CA514539A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA514539T

Publications (1)

Publication Number Publication Date
CA514539A true CA514539A (en) 1955-07-12

Family

ID=35665628

Family Applications (1)

Application Number Title Priority Date Filing Date
CA514539A Expired CA514539A (en) Filters

Country Status (1)

Country Link
CA (1) CA514539A (en)

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