CH195295A
(en)
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Kötzerspulmaschine.
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SU48256A1
(en)
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The method of preparation of artificial permutite
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CH180154A
(en)
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Steam power plant.
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SU49906A1
(en)
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The method of construction of composite wood-iron-concrete vessels
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SU46315A1
(en)
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The method of obtaining artificial varnish
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SU48269A1
(en)
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The method of producing strontium chloride
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SU46660A1
(en)
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The method of obtaining spermaceta
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SU47930A1
(en)
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The method of preparation of colored plaster
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SU46355A1
(en)
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The method of preparation of rubber mixtures
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SU46702A1
(en)
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The method of preparation of the plates
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SU31434A1
(en)
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The method of obtaining furfural
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SU41113A1
(en)
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The method of obtaining dubitel
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SU50661A1
(en)
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The method of obtaining artificial resin
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SU41104A1
(en)
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The method of preparation of soap
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SU48959A1
(en)
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Method for making grease
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SU50211A1
(en)
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The method of manufacturing plastics
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SU49041A1
(en)
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A method of manufacturing orthopedic corsets
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SU46703A1
(en)
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The method of manufacturing plastics
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SU51152A1
(en)
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The method of producing bourbonal
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SU48214A1
(en)
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The method of obtaining N-methyl-n-aminophenol
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SU47043A1
(en)
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Method of making dies
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ES138917A1
(en)
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Helium-electric power plant
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ES138181A3
(en)
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Artificial marble manufacturing procedure.
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DK54450C
(en)
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Denture.
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ES137179A1
(en)
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Perfeccionamientos in the manufacture of brassieres.
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