AU440266B2
(en )
1973-09-11
Improvements in or relating to filters for tobacco smoke
YU108669A
(en )
1980-10-31
Cigarette filter
ZA738411B
(en )
1974-09-25
Improvements relating to filters for tobacco smoke
MY7000035A
(en )
1970-12-31
Tobacco smoke filters
HK40977A
(en )
1977-08-12
Improvements in or relating to smokers lighters
IL37446A0
(en )
1971-11-29
Improvements in or relating to tobacco smoke filter
AU452247B2
(en )
1974-08-29
Improvements relating to tobacco smoke filters
AT291077B
(en )
1971-06-25
Tobacco smoke filters
IL33175A0
(en )
1969-12-31
Cigarette filter
ZA716544B
(en )
1972-06-28
Tobacco smoke filter
IE32815B1
(en )
1973-12-12
Improvements in or relating to filters for tobacco smoke
EG10567A
(en )
1976-01-31
Tobacco smoke filter
ZM2268A1
(en )
1969-05-17
Improvements relating to cigarette filters
ZA706602B
(en )
1971-05-27
Cigarette filter
ZA708146B
(en )
1971-10-27
Tobacco smoke filter
ZA725192B
(en )
1973-04-25
Improvements in or relating to tobacco smoke filters
MY6900405A
(en )
1969-12-31
Improvements in tobacco smoke filters
IE32073B1
(en )
1973-04-04
Improvements in cigarette filters
MY7000170A
(en )
1970-12-31
Improvements relating to tobacco smoke filters
AU401512B2
(en )
1966-01-06
Improvements in or relating to tobacco smoke filters
CA789856A
(en )
1968-07-16
Tobacco smoke filter
IE32274B1
(en )
1973-06-13
Cigarette or cigar filter
CA798659A
(en )
1968-11-12
Filters for tobacco smoke
MTP577B
(en )
1971-11-24
Improvements relating to tobacco-smoke filters
AU4616564A
(en )
1966-01-06
Improvements in or relating to tobacco smoke filters