PL210380A1
(pl )
1979-07-30
Sposob przerobki odpadow
RO75293A
(ro )
1980-11-30
Procedeu de microincapsulare
IT1159944B
(it )
1987-03-04
Procedimento per trattare acque di scarico
BR7802994A
(pt )
1979-12-18
Metodo de purificacao de liquidos
IT7851990A0
(it )
1978-11-21
Dispositivo per la desalificazione completa di acqua
PL207835A1
(pl )
1979-05-21
Sposob etylowania monoalkilobenzenu
PL209365A1
(pl )
1979-05-07
Uklad do biologicznego oczyszczania scieku
JPS5427262A
(en )
1979-03-01
Device for increasing ph of waste water
NO151700C
(no )
1985-05-22
Fremgangsmaate for biologisk denitrifisering av avloepsvann
NO150035C
(no )
1984-09-05
Fremgangsmaate til biologisk rensning av vandig avfall
IT7847961A0
(it )
1978-02-07
Procedimento per il trattamento di fanghiglie di scarico
SE7811156L
(sv )
1979-05-09
Avfallsbehandling
IT1105397B
(it )
1985-10-28
Apparecchiatura e procedimento per trattare fanghiglie di rifiuto
BE872294A
(fr )
1979-03-16
Procede de preparation de 3-iodorifamycine s et de 3-bromorifamycine s
JPS53140872A
(en )
1978-12-08
Method of utilizing waste water
JPS5473468A
(en )
1979-06-12
Biological purifying method of waste water
JPS5456243A
(en )
1979-05-07
Method of disposing waste water
TR19932A
(tr )
1980-04-30
Sularin biyolojik tasfiye edilmesi icin usul
JPS5473462A
(en )
1979-06-12
Facility for biological treatment of waste water
JPS5434566A
(en )
1979-03-14
Method of incinerating waste liquid
JPS53128109A
(en )
1978-11-08
Method of disposing of sludge
PL199513A1
(pl )
1979-01-29
Sposob likwidacji sciekow
IT7812634A0
(it )
1978-05-29
Metodo perfezionato per l eliminazione di rifiuti
PL200425A1
(pl )
1978-07-03
Sposob biologicznego oczyszczania sciekow
PL199200A1
(pl )
1979-01-15
Sposob wykorzystania odpadowej skaly chalcedonowej