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"HALVORSEN BIRGER FJELD"
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Treatment of sulphurous iron ores
by
HALVORSEN BIRGER FJELD
Year of Publication
28.08.1934
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SULPHUROUS IRON ORE PROCESSING
by
BIRGER FJELD HALVORSEN
Year of Publication
29.05.1934
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SULPHUROUS IRON ORE ROASTING PROCESS
by
BIRGER FJELD HALVORSEN
Year of Publication
01.05.1934
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Process for the production of alkali-metal silicates that are soluble in water
by
HALVORSEN BIRGER FJELD
Year of Publication
25.06.1929
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Process for the purification of gases to be used in the production of ammonia
by
HALVORSEN BIRGER FJELD
Year of Publication
11.12.1928
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OXIDATION OF NITROGEN
by
BIRGER FJELD HALVORSEN
Year of Publication
02.11.1926
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Process for the production of ammonia from gases containing cyanide of hydrogen
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HALVORSEN BIRGER FJELD
Year of Publication
06.04.1926
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PRODUCTION OF ALKALINE CYANIDES IN A SOLIDIFIED STATE
by
BIRGER FJELD HALVORSEN
Year of Publication
01.09.1925
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Electrode for the oxidation of nitrogen
by
HALVORSEN BIRGER FJELD
Year of Publication
02.12.1924
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PRODUCTION OF AMMONIA
by
BIRGER FJELD HALVORSEN
Year of Publication
28.10.1924
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Process of producing mixtures of nitrogen and hydrogen
by
HALVORSEN BIRGER FJELD
Year of Publication
29.07.1924
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Apparatus for the production of concentrated nitrous gases
by
HALVORSEN BIRGER FJELD
Year of Publication
17.06.1924
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Process for the production of ammonia
by
HALVORSEN BIRGER FJELD
Year of Publication
17.06.1924
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Process for the production of alumina
by
HALVORSEN BIRGER FJELD
Year of Publication
20.05.1924
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Process of recovering soluble compounds of potassium and aluminum from silicates
by
HALVORSEN BIRGER FJELD
Year of Publication
31.07.1923
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PRODUCTION OF ALUMINA
by
BIRGER FJELD HALVORSEN
Year of Publication
19.06.1923
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PRODUCTION OF MIXTURES OF NITROGEN
by
BIRGER FJELD HALVORSEN
Year of Publication
22.08.1922
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AMMONIUM NITRATE FERTILIZER
by
BIRGER FJELD HALVORSEN
Year of Publication
07.03.1922
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Ammonium nitrate fertilizer
by
HALVORSEN BIRGER FJELD
Year of Publication
14.02.1922
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Explosive
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HALVORSEN BIRGER FJELD
Year of Publication
19.04.1921
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