Citada por|
| US4252601 | 5 Jun 1978 | 24 Feb 1981 | La Cellophane | Writing liquid for use with an opaque recording material for forming transparencies for overhead projection and the like | | US4318937 | 10 Oct 1980 | 9 Mar 1982 | Rhone-Poulenc Systemes | Heat and solvent sensitive recording material and process to use it | | US4695528 | 28 Sep 1982 | 22 Sep 1987 | Wolfgang Dabisch | Process for forming images using body with reversible fixable and temperature-variable light extinctions |
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