ES31774A1 -
A procedure for fixing charcoal and pastel pencil drawings and for blending oil colors on any kind of paper, cardboard, silk, satin, plush and the like.
- Google Patents
A procedure for fixing charcoal and pastel pencil drawings and for blending oil colors on any kind of paper, cardboard, silk, satin, plush and the like.
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ES31774A1903-05-181903-05-18
A procedure for fixing charcoal and pastel pencil drawings and for blending oil colors on any kind of paper, cardboard, silk, satin, plush and the like.
ExpiredES31774A1
(en)
A procedure for fixing charcoal and pastel pencil drawings and for blending oil colors on any kind of paper, cardboard, silk, satin, plush and the like.
A procedure for fixing charcoal and pastel pencil drawings and for blending oil colors on any kind of paper, cardboard, silk, satin, plush and the like.
A procedure for fixing charcoal and pastel pencil drawings and for blending oil colors on any kind of paper, cardboard, silk, satin, plush and the like.
A procedure for fixing charcoal and pastel pencil drawings and for blending oil colors on any kind of paper, cardboard, silk, satin, plush and the like.
An industrial procedure for printing expensive paper in one or more inks by means of discs, with the exclusive purpose of applying this procedure to the manufacture of white and colored envelopes of any shape, of the so-called commercial "
An industrial result consisting of special envelopes called "Tresor" that are made non-transparent by applying a loose paper that fits to the inside of them.