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Production of protein-containing urea-formaldehyde plastics
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Improvements in and relating to the production of albumen-containing plastic masses from urea or its derivatives and formaldehyde
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Process for producing plastic masses from carbamide and thiocarbamide
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Process for the manufacture of condensation products from urea and formaldehyde
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Improved process for the manufacture of condensation products of urea or its derivatives and formaldehyde
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Process for the production of plastic masses
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