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Priority to PL26317086ApriorityCriticalpatent/PL146329B2/en
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Publication of PL146329B2publicationCriticalpatent/PL146329B2/en
PL26317086A1986-12-201986-12-20Arrangement of heat exchangers,in particular shell-and-tube ones in a contact unit of sulfuric acid manufacturing plants
PL146329B2
(en)
Process for producing 2-amino-3-nitro-6-/4-fluoro-benzyl-amino/-pyridine, 2-amino-3-/carbetoxy-amino/-6-/4-fluoro-benzyl-amino/-pyridine and acid additional salts thereof