3231411 | Primer composition for coating polyethylene substrates and the resulting products | 1966-01-25 | ||
3125273 | N/A | 1964-03-17 | ||
2543229 | Polythene layer bonded to another layer by ethylene-vinyl acetate interpolymer adhesive | 1951-02-27 | ||
2370419 | Gasproof container | 1945-02-27 |
GB433814A | 1935-08-21 | |||
GB752160A | 1956-07-04 |