US4252621A
(en )
1981-02-24
Process of regenerating an ammoniacal etching solution
GB1418769A
(en )
1975-12-24
Electrodialytic recovery of acid and insoluble products from spent liquors
Itoi et al.
1980
Electrodialytic recovery process of metal finishing waste water
DE255774A
(GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html )
DE1253008B
(de )
1967-10-26
Verfahren zum AEtzen von Kupferfolien fuer die Herstellung von gedruckten Schaltungen
DE1255443B
(de )
1967-11-30
Verfahren zum chemischen AEtzen von gedruckten Schaltungen
GB1146851A
(en )
1969-03-26
Method and apparatus for electrodialysis
EP0063560A1
(de )
1982-10-27
Verfahren zur gleichzeitigen Reinigung bzw. Entgiftung von Cr-(VI)-haltigen Abwässern oder Lösungen
DE202955C
(GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html )
DE154492C
(GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html )
DE181659C
(GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html )
DE255071C
(GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html )
DE236342C
(GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html )
DE236536C
(GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html )
DE177768C
(GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html )
DE251330C
(GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html )
DE277499C
(GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html )
DE83966C
(GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html )
DE205699C
(GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html )
DE280880C
(GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html )
DE142264C
(GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html )
DE283066C
(GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html )
DE103980C
(GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html )
DE121359C
(GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html )
DE235531C
(GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html )