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US2133350A
(en)
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Sulphur dyes of 3, 4, 5, 6-dibenzocarbazole
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BE496880A
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BE331459A
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DE254098C
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US1854077A
(en)
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of basel |
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DE564895C
(de)
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Verfahren zur Herstellung von Schwefelfarbstoffen
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US892455A
(en)
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Yellow sulfur dye and process of making same.
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BE504783A
(GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
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BE518253A
(GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
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CH104337A
(fr)
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Procédé de fabrication d'un colorant vert teignant en bains réducteurs.
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BE508364A
(GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
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AT55728B
(de)
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Verfahren zur Darstellung von schwefelhaltigen Küpenfarbstoffen der Anthrazenreihe.
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GB190204653A
(en)
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The Manufacture of Sulphur Colours and of Materials for Producing the same.
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DE139099C
(GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
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BE442285A
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BE456113A
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BE528700A
(GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
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BE499924A
(GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
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BE437600A
(GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
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