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SU46545A1
(en)
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The method of obtaining sulfur from gypsum
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SU45601A1
(en)
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The method of obtaining terpindialov
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SU47023A1
(en)
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The method of obtaining artificial drying oil
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SU48214A1
(en)
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The method of obtaining N-methyl-n-aminophenol
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SU46646A1
(en)
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The method of obtaining paint
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SU48278A1
(en)
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The method of producing iron sulfide
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SU50860A1
(en)
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The method of obtaining lithographic drying oil
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SU48253A1
(en)
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The method of obtaining calcium arsenate
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SU48270A1
(en)
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The method of obtaining magnesia
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SU47711A1
(en)
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The method of cutting frozen soft soil
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SU50431A1
(en)
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The method of obtaining esters
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SU45914A1
(en)
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The method of obtaining cryolite
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SU50991A1
(en)
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The method of preparation of the pressing masses
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SU45276A1
(en)
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The method of obtaining sodium sulfide
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SU45728A1
(en)
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The method of preparation of the concrete surface under the plaster
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SU44925A1
(en)
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The method of obtaining bromoform
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SU46607A1
(en)
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The method of producing tetra-chlorophthalic acid
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SU47930A1
(en)
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The method of preparation of colored plaster
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SU50699A1
(en)
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The method of obtaining artificial vaseline
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SU54960A1
(en)
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Method of preparing anti-scab
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SU45521A1
(en)
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The method of obtaining artistic drawings
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SU48938A1
(en)
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The method of obtaining oil paint from lithopone
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SU50661A1
(en)
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The method of obtaining artificial resin
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SU47773A1
(en)
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The method of impregnation leather
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SU46368A1
(en)
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Adaptation to the scale
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