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DK20503C
(en)
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Procedure for the manufacture of artificial saddle leather.
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DK20528C
(en)
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Procedure for Manufacturing Artificial Leather.
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DK22013C
(en)
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Leather Preparation Procedure.
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DK20003C
(en)
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Procedure for the production of rubber.
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DK12564C
(en)
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Procedure for the manufacture of artificial leather.
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DK26140C
(en)
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Procedure for the manufacture of artificial abrasives.
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DK18624C
(en)
|
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Procedure for the Manufacture of Synthetic Rubber.
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DK20863C
(en)
|
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Procedure for the manufacture of lighters.
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DK20295C
(en)
|
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Procedure for the manufacture of lighters.
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DK22787C
(en)
|
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Procedure for the manufacture of glues or the like of glues.
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DK20841C
(en)
|
|
Procedure for the manufacture of roofing felt.
|
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DK20648C
(en)
|
|
Procedure for Treatment of Paptage.
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DK20338C
(en)
|
|
Procedure for Making Emulsions.
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DK20345C
(en)
|
|
Procedure for Making Emulsions.
|
|
DK22325C
(en)
|
|
Procedure for Manufacturing Inverted Footwear.
|
|
DK16312C
(en)
|
|
Procedure for the manufacture of chrome leather.
|
|
DK24674C
(en)
|
|
Procedure for Making Artificial Coffee.
|
|
DK26094C
(en)
|
|
Machine for the manufacture of reinforced saddles.
|
|
DK20132C
(en)
|
|
Procedure for the manufacture of fireproof roads.
|
|
DK15189C
(en)
|
|
Procedure for the manufacture of artificial boards.
|
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DK20745C
(en)
|
|
Procedure for the production of lightweight clichés.
|
|
DK22223C
(en)
|
|
Apparatus for the Production of Formaldehyde.
|
|
DK29368C
(en)
|
|
Procedure for the production of photographic reliefs.
|
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DK26890C
(en)
|
|
Procedure for the production of low-smoke gunpowder varieties.
|
|
DK14775C
(en)
|
|
Procedure for the production of artificial stone.
|