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Jerzy Schroeder
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Wroclaw, PO
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last 30 patents
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Process for the simultaneous manufacture of phosphoric acid or the...
Patent number
4,007,030
Issue date
Feb 8, 1977
Przedsiebiorstwo Projektowania I Dostaw Kompletnych Obiektov Przemyslowych "C...
Jerzy Schroeder
C05 - FERTILISERS MANUFACTURE THEREOF