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1985-06-15
Verfahren und vorrichtung zur pyrogenen herstellung von siliciumdioxid.
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1900-01-01
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(de )
1927-05-27
Herstellung von Phosphortrioxyd
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DE540316C
(de )
1931-12-11
Verfahren zur Erzeugung von Kohlenoxyd und Wasserstoff durch Brennstoffvergasung
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DE877891C
(de )
1953-05-28
Verfahren zur Herstellung kolloidaler Loesungen
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DE379965C
(de )
1923-08-31
Verfahren zur Reinigung von Rohparaffin
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DE457367C
(de )
1928-03-14
Herstellung von Salpetersaeure
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1910-11-02
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1912-04-29
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1915-10-05
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AT49171B
(de )
1911-07-25
Verfahren zur Herstellung von Aluminiumnitrid.
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