FR2468550A1
(fr )
1981-05-08
Particules spheriques de carbone, et en particulier de carbone active, et procede de fabrication de ces particules a partir d'un melange contenant du brai, du carbone amorphe et un agent de reglage de viscosite
CH631682A5
(fr )
1982-08-31
Procede de fabrication d'un silico-aluminate de sodium cristallin de la variete 4a.
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1941-11-29
FR2609710A1
(fr )
1988-07-22
Procede de purification du benzene
FR2546418A1
(fr )
1984-11-30
Procede de preparation d'adsorbants hydrophobes
BE424232A
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US1448846A
(en )
1923-03-20
Process for making a composition for purifying liquids
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BE516537A
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1954-10-29
SU178797A1
(ru )
Способ получения активного угля
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EP0054506A2
(fr )
1982-06-23
Procédé et installation pour la fabrication en continu de coke métallurgique
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