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Dive into the research topics where Paul Francis Clarke is active.

Publication


Featured researches published by Paul Francis Clarke.


Archive | 2000

Filter for a cigarette and a filter-tipped cigarette

Paul Francis Clarke; John Charlton; Ichiro Atobe; Atsushi Tokida


Archive | 1991

Smoke filter containing particulate smoke modifying additive

John Charlton; Paul Francis Clarke


Archive | 1992

Particulate sorbent smoke filter

John Charlton; Paul Francis Clarke; Ernest Brian Hayes


Archive | 1995

Concentric core filter

Richard Karl James Shepherd; John Charlton; Paul Francis Clarke


Archive | 2000

Filter for a cigarette and filter cigarette

Paul Francis Clarke; John Charlton; Ichiro Atobe; Masanori Koborinai


Archive | 1987

Adjustable smoker's mouthpiece

John Charlton; Paul Francis Clarke


Archive | 2000

Filter für eine Zigarette und Filterzigarette Filter for a cigarette and filter cigarette

Paul Francis Clarke; John Charlton; Ichiro Atobe; Atsushi Tokida


Archive | 1999

CIGARETTE FILTER OR FILTER PIECE CONTAINING SORBENT MATERIAL AND PROCESS FOR PRODUCING

John Charlton; Paul Francis Clarke


Archive | 1995

Filter mit konzentrischen kern Filter with concentric core

Paul Francis Clarke; John Charlton; Richard Shepherd


Archive | 1994

Ventilated cigarette filter

Paul Francis Clarke; John Charlton; Richard Shepherd

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