DK20003C
(en)
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Procedure for the production of rubber.
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DK18624C
(en)
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Procedure for the Manufacture of Synthetic Rubber.
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DK29969C
(en)
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Procedure for the production of alkali nitrates.
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DK20132C
(en)
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Procedure for the manufacture of fireproof roads.
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DK20745C
(en)
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Procedure for the production of lightweight clichés.
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DK27322C
(en)
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Procedure for the Production of Glycerin from Sugar.
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DK15329C
(en)
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Procedure for the production of rubber of isoprene.
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DK20295C
(en)
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Procedure for the manufacture of lighters.
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DK20863C
(en)
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Procedure for the manufacture of lighters.
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DK19965C
(en)
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Procedure for the Production of Hydrogen.
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DK24283C
(en)
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Procedure for the production of printing surfaces.
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DK22676C
(en)
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Procedure for the manufacture of hydrocarbon compounds.
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DK21670C
(en)
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Procedure for the manufacture of dense rubber articles.
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DK29326C
(en)
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Procedure for Making Yeast.
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DK26890C
(en)
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Procedure for the production of low-smoke gunpowder varieties.
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DK23573C
(en)
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Procedure for the production of caramel.
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DK29368C
(en)
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Procedure for the production of photographic reliefs.
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DK20841C
(en)
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Procedure for the manufacture of roofing felt.
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DK22325C
(en)
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Procedure for Manufacturing Inverted Footwear.
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DK22013C
(en)
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Leather Preparation Procedure.
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DK22728C
(en)
|
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Procedure for the manufacture of porcelain objects.
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DK15050C
(en)
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Procedure for the production of relief clichés.
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DK18439C
(en)
|
|
Procedure for the Production of Superphosphate.
|
DK26548C
(en)
|
|
Mineral Preparation Procedure.
|
DK20648C
(en)
|
|
Procedure for Treatment of Paptage.
|