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FI9794A
(en)
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Procedure for making a multicolored grain raster for a photo colored with natural colors
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CA201704A
(en)
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White pigment
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FR615156A
(en)
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Colored pigments
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CA222971A
(en)
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White pigment
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CA201707A
(en)
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White pigment
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CA221526A
(en)
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White pigment
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ES84943A1
(en)
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A procedure for the reproduction of paintings formed with flat layers of color.
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CA236018A
(en)
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Mushroom light
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CA240300A
(en)
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Dye manufacture
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CA240301A
(en)
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Dye manufacture
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CA240302A
(en)
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Dye manufacture
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CA240303A
(en)
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Dye manufacture
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CA242060A
(en)
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Blue print manufacture
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CA225805A
(en)
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Head light
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CA224589A
(en)
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Head light
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FR26938E
(en)
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Azo color production
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CA196174A
(en)
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Yellow dye
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CA230667A
(en)
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Egg case
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ES74785A1
(en)
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A natural color cinematography procedure.
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CA240319A
(en)
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Dye
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CA238429A
(en)
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Dye
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CA243250A
(en)
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Dye
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CA242399A
(en)
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Head light
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CA231495A
(en)
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Kinematograph colour projector
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CA227393A
(en)
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Three colour photography
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