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CA1106722A
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Material web for the manufacture of filter rods for tobacco products and apparatus and process for producing such web
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ATA670677A
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Fiber-containing material, in particular paper, and filter plugs made thereof, tobacco, and method and device for producing the material
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US4003684A
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Apparatus for treating webs of filtering material for tobacco product filters, particularly cigarette filters
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US3930935A
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Apparatus for making webs of filtering material for tobacco product filters, particularly cigarette filters
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DE2323367A1
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DEVICE FOR THE MANUFACTURE OF FILTER MATERIAL TRAILS FOR TOBACCO FILTERS, IN PARTICULAR CIGARETTE FILTERS
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ES402653A1
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Procedure for the manufacture of strips of filtering material. (Machine-translation by Google Translate, not legally binding)
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CH577432A5
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Active carbon contg. porous bodies - produced by soaking carbon and hydrogen contg. material in dil. sulphuric acid and heating
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IL37274D0
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Filters for tobacco products and method for their manufacture
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GB1340942A
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Method of and apparatus for treating webs of fibrous material for tobacco product filters particularly cigarette filters
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IL36880D0
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Filter plug for tobacco products and its manufacture
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CH523028A
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Cigarette filter tip prodn - using chemical treatment of paper which is pretreated mechanically
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CH519926A
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Cigarette filter tips - contg carbon by treating fibrous material with sulphuric acid
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CH555303A
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Active carbon layers on cellulose contg. matls. - produced by treatment of paper, pulp, felt etc. with sulphuric acid
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CH519865A
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Cigarette filter tips - contg carbon by treating fibrous material with sulphuric acid
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IL34341D0
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A method of treating webs of fibrous material for making a filter cord
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DE1958208A1
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Process for the production of filter stoppers for tobacco products
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US3519521A
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Apparatus for making filtering material for cigarettes
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US3546325A
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Method of manufacturing filter ropes
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CH467031A
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Filter cigarette
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IL28030A
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Method and apparatus for making filtering material for cigarettes
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