CA539042A - Filtre de fumee de tabac - Google Patents

Filtre de fumee de tabac

Info

Publication number
CA539042A
CA539042A CA539042A CA539042DA CA539042A CA 539042 A CA539042 A CA 539042A CA 539042 A CA539042 A CA 539042A CA 539042D A CA539042D A CA 539042DA CA 539042 A CA539042 A CA 539042A
Authority
CA
Canada
Prior art keywords
tobacco smoke
smoke filter
filter
tobacco
smoke
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
CA539042A
Other languages
English (en)
Inventor
W. Knudson Harold
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.)
P Lorillard Co
Original Assignee
P Lorillard Co
Publication date
Application granted granted Critical
Publication of CA539042A publication Critical patent/CA539042A/fr
Expired legal-status Critical Current

Links

CA539042A Filtre de fumee de tabac Expired CA539042A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA539042T

Publications (1)

Publication Number Publication Date
CA539042A true CA539042A (fr) 1957-04-02

Family

ID=35693684

Family Applications (1)

Application Number Title Priority Date Filing Date
CA539042A Expired CA539042A (fr) Filtre de fumee de tabac

Country Status (1)

Country Link
CA (1) CA539042A (fr)

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