CH321504A
(en )
1957-05-15
Cigarette filter mouthpiece and process for its manufacture
CH320734A
(en )
1957-04-15
Filter for tobacco smoke and method for its manufacture
CH450993A
(en )
1968-05-15
Filters, in particular for tobacco products, and processes for their manufacture
CH337113A
(en )
1959-03-15
Method and device for the production of filters for tobacco smoke and filter produced by this method
CH383239A
(en )
1964-10-15
Filter stoppers for cigarettes and methods of making the same
CH332794A
(en )
1958-09-30
Process for the production of a filter cigarette and filter cigarette produced by this process
CH445355A
(en )
1967-10-15
Low-tar smoking tobacco and process for its manufacture
CH459038A
(en )
1968-06-30
Aroma-releasing filter for tobacco smoke and method of making the filter
CH331835A
(en )
1958-08-15
Filters for smoking articles and methods of making the same
CH311187A
(en )
1955-11-30
Filters for cigarettes and cigars.
CH342149A
(en )
1959-10-31
Method and device for producing tobacco smoke filters and tobacco smoke filters produced by this method
CH428532A
(en )
1967-01-15
Tobacco smoke filters and process for their manufacture
AT280122B
(en )
1970-03-25
Method and device for the production of multiple filters for cigarettes
CH313367A
(en )
1956-04-15
Cylindrical smoke filter plug and process for its manufacture
CH324175A
(en )
1957-09-15
Filters, in particular for cigarette mouthpieces
AT197621B
(en )
1958-05-10
Filters for smoking articles and processes for their manufacture
CH324698A
(en )
1957-10-15
Process for the production of antihalation and filter layers
AT197732B
(en )
1958-05-27
Tobacco smoke filters and process for their manufacture
AT318456B
(en )
1974-10-25
Cigarette filters and process for their manufacture
CH323307A
(en )
1957-07-31
Filter mouthpiece and a method for producing such mouthpieces for tobacco rod products.
CH331834A
(en )
1958-08-15
Tobacco smoke filters, in particular for cigarettes
CH288717A
(en )
1953-02-15
Tobacco smoke filters and processes for their manufacture.
CH328058A
(en )
1958-02-28
Filter for cigarettes with a filter mouthpiece and process for its manufacture
CH389484A
(en )
1965-03-15
Fibrous filter for tobacco products and process for their manufacture
CH322609A
(en )
1957-06-30
Filter for tobacco smoke and method for its manufacture