CH222439A
(en)
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Kötzerspulmaschine.
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SU46646A1
(en)
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The method of obtaining paint
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SU48214A1
(en)
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The method of obtaining N-methyl-n-aminophenol
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SU45601A1
(en)
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The method of obtaining terpindialov
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SU48938A1
(en)
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The method of obtaining oil paint from lithopone
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SU50431A1
(en)
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The method of obtaining esters
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SU44925A1
(en)
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The method of obtaining bromoform
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SU45914A1
(en)
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The method of obtaining cryolite
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SU47691A1
(en)
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The method of obtaining 8-aminoquinoline
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SU47299A1
(en)
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The method of obtaining aminoxyphenylarsinic acid
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SU50661A1
(en)
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The method of obtaining artificial resin
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SU48278A1
(en)
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The method of producing iron sulfide
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SU46607A1
(en)
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The method of producing tetra-chlorophthalic acid
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SU46315A1
(en)
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The method of obtaining artificial varnish
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SU46917A1
(en)
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The method of obtaining diphenyl ether
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SU50860A1
(en)
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The method of obtaining lithographic drying oil
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SU55636A1
(en)
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The method of obtaining the combined fertilizer
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SU50207A1
(en)
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The method of preparation of varnish from waste galalita
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SU45276A1
(en)
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The method of obtaining sodium sulfide
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SU47930A1
(en)
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The method of preparation of colored plaster
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SU47564A1
(en)
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The method of manufacture of grinding wheels
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SU48281A1
(en)
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The method of obtaining desulphuric pure and airbenzenes
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SU48270A1
(en)
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The method of obtaining magnesia
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DK53554C
(en)
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Kanaldyne.
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DK51649C
(en)
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Snaplaas.
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