CH202155A
(en)
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Kötzerspulmaschine.
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SU47564A1
(en)
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The method of manufacture of grinding wheels
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SU45510A1
(en)
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The method of manufacture of grinding wheels
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SU48214A1
(en)
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The method of obtaining N-methyl-n-aminophenol
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FR813109A
(en)
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Abrasive wheel
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SU50431A1
(en)
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The method of obtaining esters
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SU46646A1
(en)
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The method of obtaining paint
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SU44925A1
(en)
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The method of obtaining bromoform
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SU45601A1
(en)
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The method of obtaining terpindialov
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SU47913A1
(en)
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Method of editing abrasive wheels
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SU46607A1
(en)
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The method of producing tetra-chlorophthalic acid
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SU46914A1
(en)
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The method of preparation of one-manganese phosphate
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SU48278A1
(en)
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The method of producing iron sulfide
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SU44929A1
(en)
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Method for preparing 4-hydroxy-3-ethoxy-benzaldehyde
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SU55636A1
(en)
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The method of obtaining the combined fertilizer
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SU47691A1
(en)
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The method of obtaining 8-aminoquinoline
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SU46315A1
(en)
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The method of obtaining artificial varnish
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SU50105A1
(en)
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The method of obtaining silvered sand for water sterilization
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SU45914A1
(en)
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The method of obtaining cryolite
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SU50661A1
(en)
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The method of obtaining artificial resin
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SU49458A1
(en)
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The method of seed dressing
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SU54984A1
(en)
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The method of obtaining ski ointment
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SU51424A1
(en)
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The method of producing chromium oxide
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SU48281A1
(en)
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The method of obtaining desulphuric pure and airbenzenes
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SU47299A1
(en)
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The method of obtaining aminoxyphenylarsinic acid
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