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C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
C01B17/00—Sulfur; Compounds thereof
C01B17/69—Sulfur trioxide; Sulfuric acid
C01B17/74—Preparation
C01B17/82—Preparation of sulfuric acid using a nitrogen oxide process
C01B17/84—Chamber process
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Inorganic Chemistry
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FR14299D1910-04-181910-08-20
Process for recovering nitrous-lost and unused products in the manufacture of sulfuric acid by the lead chamber process
ExpiredFR14299E
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