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| US4280978 | 23 May 1979 | 28 Jul 1981 | Monsanto Company | Process of embossing and perforating thermoplastic film |
| US5069101 | 16 Oct 1990 | 3 Dic 1991 | Yhtyneet Paperitehtaat Oy Walki-Pakkaus | Device for reducing the thickness of the edge of a board web or board sheets |
| US5814390 | 30 Jun 1995 | 29 Sep 1998 | Kimberly-Clark Worldwide, Inc. | Creased nonwoven web with stretch and recovery |
