DK16813C
(en)
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PROCEDURE FOR SYNTHETIC MANUFACTURE OF TANNING SUBSTANCES.
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DK28548C
(en)
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Procedure for the manufacture of tanning substances.
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DK30740C
(en)
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Procedure for the manufacture of tanning substances.
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DK16312C
(en)
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Procedure for the manufacture of chrome leather.
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DK16637C
(en)
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Procedure for the manufacture of clunkers.
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DK25098C
(en)
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Procedure for Utilization of Keratinous Substances.
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DK15906C
(en)
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Procedure for the production of artificial sausage skins.
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DK29205C
(en)
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Procedure for the manufacture of tanning substances.
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DK16281C
(en)
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Procedure for the manufacture of shoe polish.
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DK22676C
(en)
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Procedure for the manufacture of hydrocarbon compounds.
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DK15607C
(en)
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Procedure for Making Soap.
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DK18263C
(en)
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Procedure for the Synthetic Production of Glycerin.
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DK16028C
(en)
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Procedure for the production of artificial stone.
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DK20541C
(en)
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Procedure for the production of artificial stone.
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DK12564C
(en)
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Procedure for the manufacture of artificial leather.
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DK15929C
(en)
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Procedure for Making Matches.
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DK16523C
(en)
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Procedure for the production of rubber-like substances from halogen compounds of organic substances.
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DK15795C
(en)
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Procedure for Mass Production of Clichés.
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DK16791C
(en)
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Procedure for the Manufacture of Lubricating Oils.
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DK16488C
(en)
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Procedure for the production of so-called pore metals.
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DK16077C
(en)
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Procedure for Separation of Suspended Substances.
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DK16686C
(en)
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Procedure for Treatment of Renovation Material.
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DK15016C
(en)
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Explosive or Procedure for the Manufacture of the same.
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DK18624C
(en)
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Procedure for the Manufacture of Synthetic Rubber.
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DK16552C
(en)
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Procedure for the production of hydrocarbons in solid form.
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