PL286019A1
(en )
1991-10-21
Method of obtaining heteroazepines
PL286707A1
(en )
1991-10-07
Method of obteining tetraniture
IL92872A0
(en )
1990-09-17
Removal of oil from water
GB8920552D0
(en )
1989-10-25
Improved method of liquid separation
GB2237805B
(en )
1992-12-23
Method of extraction
EP0429661A4
(en )
1991-12-11
Method of water treatment
CS275531B2
(en )
1992-02-19
Method of water insoluble substances removal
EP0410322A3
(en )
1991-05-08
Method of development
GB8929341D0
(en )
1990-02-28
Method of water treatment
CS556987A2
(en )
1990-06-13
Method of n-paraffine removal
GB8916394D0
(en )
1989-09-06
Method of treatment
IL94288A0
(en )
1991-03-10
Removal of trace contamination from water
PL281498A1
(en )
1991-03-25
Method for reclaiming of water
CS640089A1
(en )
1990-05-14
Method of 2-ethyl-6-methyl-n-/1-methoxy-2-propyl/chlorethanilide
GB8907579D0
(en )
1989-05-17
Water treatment method
CS671887A1
(en )
1989-09-12
Method of water chloroammonization
CS118689A1
(en )
1990-05-14
Method of technical 2-isopropylamino-4-ethylamino-6-chloro-s-triazine
PL282583A1
(en )
1991-06-03
Method of obtaining 1-methylethylbenzene
PL282259A1
(en )
1991-06-03
Method of obtaining l-pyroglutamylo-l-histidyl-l-tryptophyl-l-seril-l-thyrosilgliosyl-l-leukocyl-l-arginyl-l-polyglycinamide
PL281664A1
(en )
1991-04-08
Method of obtaining chloromethylepoxybutanes
PL280933A1
(en )
1992-10-19
Method of obtaining 2-chloroethyl-3-chloropropylsulfide
ZA904464B
(en )
1991-04-24
Method of treatment using 17beta-cyclopropylaminoandrostene
SU1592284A1
(en )
1990-09-15
Method of treating low-turbidity water
GB8906425D0
(en )
1989-05-04
Method of treatment
GB8924155D0
(en )
1989-12-13
Method of treatment