ES166269A1 - Un procedimiento para la obtencion de imágenes fotograficas mono y multicolor transparentes y no transparentes, por medio de revelado cromogeno
- Google Patents
Un procedimiento para la obtencion de imágenes fotograficas mono y multicolor transparentes y no transparentes, por medio de revelado cromogeno
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I G Fabenindustrie A G
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I G Fabenindustrie A G
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ES166269A1944-05-271944-05-27Un procedimiento para la obtencion de imágenes fotograficas mono y multicolor transparentes y no transparentes, por medio de revelado cromogeno
ExpiredES166269A1
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