| 摘要 |
1336260 Sausage casing CARL FREUDENBERG 20 Dec 1971 [8 Feb 1971] 59143/71 Heading A2B [Also in Divisions B2 and F2] Sausages are made by filling a tubular casing comprising a laminate of a foil of polyvinylidene chloride and a non-woven fabric comprising bonding fibres of polyvinyl alcohol and cellulose xanthogenate binder. |
